20945156960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:750

約数の個数: 288

約数和(自身を含む): 61625733120

約数和(自身を除く): 40680576160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 239, 260, 280, 338, 364, 416, 455, 463, 478, 520, 560, 676, 728, 845, 910, 926, 956, 1040, 1120, 1183, 1195, 1352, 1456, 1673, 1690, 1820, 1852, 1912, 2080, 2315, 2366, 2390, 2704, 2912, 3107, 3241, 3346, 3380, 3640, 3704, 3824, 4630, 4732, 4780, 5408, 5915, 6019, 6214, 6482, 6692, 6760, 7280, 7408, 7648, 8365, 9260, 9464, 9560, 11830, 12038, 12428, 12964, 13384, 13520, 14560, 14816, 15535, 16205, 16730, 18520, 18928, 19120, 21749, 23660, 24076, 24856, 25928, 26768, 27040, 30095, 31070, 32410, 33460, 37040, 37856, 38240, 40391, 42133, 43498, 47320, 48152, 49712, 51856, 53536, 60190, 62140, 64820, 66920, 74080, 78247, 80782, 84266, 86996, 94640, 96304, 99424, 103712, 108745, 110657, 120380, 124280, 129640, 133840, 156494, 161564, 168532, 173992, 189280, 192608, 201955, 210665, 217490, 221314, 240760, 248560, 259280, 267680, 282737, 312988, 323128, 337064, 347984, 391235, 403910, 421330, 434980, 442628, 481520, 497120, 518560, 547729, 553285, 565474, 625976, 646256, 674128, 695968, 774599, 782470, 807820, 842660, 869960, 885256, 963040, 1095458, 1106570, 1130948, 1251952, 1292512, 1348256, 1413685, 1438541, 1549198, 1564940, 1615640, 1685320, 1739920, 1770512, 2190916, 2213140, 2261896, 2503904, 2738645, 2827370, 2877082, 3098396, 3129880, 3231280, 3370640, 3479840, 3541024, 3872995, 4381832, 4426280, 4523792, 5477290, 5654740, 5754164, 6196792, 6259760, 6462560, 6741280, 7192705, 7745990, 8763664, 8852560, 9047584, 10069787, 10954580, 11309480, 11508328, 12393584, 12519520, 14385410, 15491980, 17527328, 17705120, 18701033, 20139574, 21909160, 22618960, 23016656, 24787168, 28770820, 30983960, 37402066, 40279148, 43818320, 45237920, 46033312, 50348935, 57541640, 61967920, 74804132, 80558296, 87636640, 93505165, 100697870, 115083280, 123935840, 130907231, 149608264, 161116592, 187010330, 201395740, 230166560, 261814462, 299216528, 322233184, 374020660, 402791480, 523628924, 598433056, 654536155, 748041320, 805582960, 1047257848, 1309072310, 1496082640, 1611165920, 2094515696, 2618144620, 2992165280, 4189031392, 5236289240, 10472578480, 20945156960]

約数ペア:

[(1, 20945156960), (2, 10472578480), (4, 5236289240), (5, 4189031392), (7, 2992165280), (8, 2618144620), (10, 2094515696), (13, 1611165920), (14, 1496082640), (16, 1309072310), (20, 1047257848), (26, 805582960), (28, 748041320), (32, 654536155), (35, 598433056), (40, 523628924), (52, 402791480), (56, 374020660), (65, 322233184), (70, 299216528), (80, 261814462), (91, 230166560), (104, 201395740), (112, 187010330), (130, 161116592), (140, 149608264), (160, 130907231), (169, 123935840), (182, 115083280), (208, 100697870), (224, 93505165), (239, 87636640), (260, 80558296), (280, 74804132), (338, 61967920), (364, 57541640), (416, 50348935), (455, 46033312), (463, 45237920), (478, 43818320), (520, 40279148), (560, 37402066), (676, 30983960), (728, 28770820), (845, 24787168), (910, 23016656), (926, 22618960), (956, 21909160), (1040, 20139574), (1120, 18701033), (1183, 17705120), (1195, 17527328), (1352, 15491980), (1456, 14385410), (1673, 12519520), (1690, 12393584), (1820, 11508328), (1852, 11309480), (1912, 10954580), (2080, 10069787), (2315, 9047584), (2366, 8852560), (2390, 8763664), (2704, 7745990), (2912, 7192705), (3107, 6741280), (3241, 6462560), (3346, 6259760), (3380, 6196792), (3640, 5754164), (3704, 5654740), (3824, 5477290), (4630, 4523792), (4732, 4426280), (4780, 4381832), (5408, 3872995), (5915, 3541024), (6019, 3479840), (6214, 3370640), (6482, 3231280), (6692, 3129880), (6760, 3098396), (7280, 2877082), (7408, 2827370), (7648, 2738645), (8365, 2503904), (9260, 2261896), (9464, 2213140), (9560, 2190916), (11830, 1770512), (12038, 1739920), (12428, 1685320), (12964, 1615640), (13384, 1564940), (13520, 1549198), (14560, 1438541), (14816, 1413685), (15535, 1348256), (16205, 1292512), (16730, 1251952), (18520, 1130948), (18928, 1106570), (19120, 1095458), (21749, 963040), (23660, 885256), (24076, 869960), (24856, 842660), (25928, 807820), (26768, 782470), (27040, 774599), (30095, 695968), (31070, 674128), (32410, 646256), (33460, 625976), (37040, 565474), (37856, 553285), (38240, 547729), (40391, 518560), (42133, 497120), (43498, 481520), (47320, 442628), (48152, 434980), (49712, 421330), (51856, 403910), (53536, 391235), (60190, 347984), (62140, 337064), (64820, 323128), (66920, 312988), (74080, 282737), (78247, 267680), (80782, 259280), (84266, 248560), (86996, 240760), (94640, 221314), (96304, 217490), (99424, 210665), (103712, 201955), (108745, 192608), (110657, 189280), (120380, 173992), (124280, 168532), (129640, 161564), (133840, 156494)]