1247075440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 160

約数和(自身を含む): 3295789056

約数和(自身を除く): 2048713616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 104, 124, 130, 155, 188, 208, 235, 248, 260, 310, 376, 403, 470, 496, 520, 611, 620, 752, 806, 823, 940, 1040, 1222, 1240, 1457, 1612, 1646, 1880, 2015, 2444, 2480, 2914, 3055, 3224, 3292, 3760, 4030, 4115, 4888, 5828, 6110, 6448, 6584, 7285, 8060, 8230, 9776, 10699, 11656, 12220, 13168, 14570, 16120, 16460, 18941, 21398, 23312, 24440, 25513, 29140, 32240, 32920, 37882, 38681, 42796, 48880, 51026, 53495, 58280, 65840, 75764, 77362, 85592, 94705, 102052, 106990, 116560, 127565, 151528, 154724, 171184, 189410, 193405, 204104, 213980, 255130, 303056, 309448, 331669, 378820, 386810, 408208, 427960, 502853, 510260, 618896, 663338, 757640, 773620, 855920, 1005706, 1020520, 1199111, 1326676, 1515280, 1547240, 1658345, 2011412, 2041040, 2398222, 2514265, 2653352, 3094480, 3316690, 4022824, 4796444, 5028530, 5306704, 5995555, 6633380, 8045648, 9592888, 10057060, 11991110, 13266760, 15588443, 19185776, 20114120, 23982220, 26533520, 31176886, 40228240, 47964440, 62353772, 77942215, 95928880, 124707544, 155884430, 249415088, 311768860, 623537720, 1247075440]

約数ペア:

[(1, 1247075440), (2, 623537720), (4, 311768860), (5, 249415088), (8, 155884430), (10, 124707544), (13, 95928880), (16, 77942215), (20, 62353772), (26, 47964440), (31, 40228240), (40, 31176886), (47, 26533520), (52, 23982220), (62, 20114120), (65, 19185776), (80, 15588443), (94, 13266760), (104, 11991110), (124, 10057060), (130, 9592888), (155, 8045648), (188, 6633380), (208, 5995555), (235, 5306704), (248, 5028530), (260, 4796444), (310, 4022824), (376, 3316690), (403, 3094480), (470, 2653352), (496, 2514265), (520, 2398222), (611, 2041040), (620, 2011412), (752, 1658345), (806, 1547240), (823, 1515280), (940, 1326676), (1040, 1199111), (1222, 1020520), (1240, 1005706), (1457, 855920), (1612, 773620), (1646, 757640), (1880, 663338), (2015, 618896), (2444, 510260), (2480, 502853), (2914, 427960), (3055, 408208), (3224, 386810), (3292, 378820), (3760, 331669), (4030, 309448), (4115, 303056), (4888, 255130), (5828, 213980), (6110, 204104), (6448, 193405), (6584, 189410), (7285, 171184), (8060, 154724), (8230, 151528), (9776, 127565), (10699, 116560), (11656, 106990), (12220, 102052), (13168, 94705), (14570, 85592), (16120, 77362), (16460, 75764), (18941, 65840), (21398, 58280), (23312, 53495), (24440, 51026), (25513, 48880), (29140, 42796), (32240, 38681), (32920, 37882)]