215732720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 643196928

約数和(自身を除く): 427464208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 43, 56, 62, 68, 70, 80, 85, 86, 112, 119, 124, 136, 140, 155, 170, 172, 215, 217, 238, 248, 272, 280, 289, 301, 310, 340, 344, 430, 434, 476, 496, 527, 560, 578, 595, 602, 620, 680, 688, 731, 860, 868, 952, 1054, 1085, 1156, 1190, 1204, 1240, 1333, 1360, 1445, 1462, 1505, 1720, 1736, 1904, 2023, 2108, 2170, 2312, 2380, 2408, 2480, 2635, 2666, 2890, 2924, 3010, 3440, 3472, 3655, 3689, 4046, 4216, 4340, 4624, 4760, 4816, 5117, 5270, 5332, 5780, 5848, 6020, 6665, 7310, 7378, 8092, 8432, 8680, 8959, 9331, 9520, 10115, 10234, 10540, 10664, 11560, 11696, 12040, 12427, 13330, 14620, 14756, 16184, 17360, 17918, 18445, 18662, 20230, 20468, 21080, 21328, 22661, 23120, 24080, 24854, 25585, 26660, 29240, 29512, 32368, 35836, 36890, 37324, 40460, 40936, 42160, 44795, 45322, 46655, 49708, 51170, 53320, 58480, 59024, 62135, 62713, 71672, 73780, 74648, 80920, 81872, 86989, 89590, 90644, 93310, 99416, 102340, 106640, 113305, 124270, 125426, 143344, 147560, 149296, 158627, 161840, 173978, 179180, 181288, 186620, 198832, 204680, 226610, 248540, 250852, 295120, 313565, 317254, 347956, 358360, 362576, 373240, 385237, 409360, 434945, 453220, 497080, 501704, 627130, 634508, 695912, 716720, 746480, 770474, 793135, 869890, 906440, 994160, 1003408, 1254260, 1269016, 1391824, 1540948, 1586270, 1739780, 1812880, 1926185, 2508520, 2538032, 2696659, 3081896, 3172540, 3479560, 3852370, 5017040, 5393318, 6163792, 6345080, 6959120, 7704740, 10786636, 12690160, 13483295, 15409480, 21573272, 26966590, 30818960, 43146544, 53933180, 107866360, 215732720]

約数ペア:

[(1, 215732720), (2, 107866360), (4, 53933180), (5, 43146544), (7, 30818960), (8, 26966590), (10, 21573272), (14, 15409480), (16, 13483295), (17, 12690160), (20, 10786636), (28, 7704740), (31, 6959120), (34, 6345080), (35, 6163792), (40, 5393318), (43, 5017040), (56, 3852370), (62, 3479560), (68, 3172540), (70, 3081896), (80, 2696659), (85, 2538032), (86, 2508520), (112, 1926185), (119, 1812880), (124, 1739780), (136, 1586270), (140, 1540948), (155, 1391824), (170, 1269016), (172, 1254260), (215, 1003408), (217, 994160), (238, 906440), (248, 869890), (272, 793135), (280, 770474), (289, 746480), (301, 716720), (310, 695912), (340, 634508), (344, 627130), (430, 501704), (434, 497080), (476, 453220), (496, 434945), (527, 409360), (560, 385237), (578, 373240), (595, 362576), (602, 358360), (620, 347956), (680, 317254), (688, 313565), (731, 295120), (860, 250852), (868, 248540), (952, 226610), (1054, 204680), (1085, 198832), (1156, 186620), (1190, 181288), (1204, 179180), (1240, 173978), (1333, 161840), (1360, 158627), (1445, 149296), (1462, 147560), (1505, 143344), (1720, 125426), (1736, 124270), (1904, 113305), (2023, 106640), (2108, 102340), (2170, 99416), (2312, 93310), (2380, 90644), (2408, 89590), (2480, 86989), (2635, 81872), (2666, 80920), (2890, 74648), (2924, 73780), (3010, 71672), (3440, 62713), (3472, 62135), (3655, 59024), (3689, 58480), (4046, 53320), (4216, 51170), (4340, 49708), (4624, 46655), (4760, 45322), (4816, 44795), (5117, 42160), (5270, 40936), (5332, 40460), (5780, 37324), (5848, 36890), (6020, 35836), (6665, 32368), (7310, 29512), (7378, 29240), (8092, 26660), (8432, 25585), (8680, 24854), (8959, 24080), (9331, 23120), (9520, 22661), (10115, 21328), (10234, 21080), (10540, 20468), (10664, 20230), (11560, 18662), (11696, 18445), (12040, 17918), (12427, 17360), (13330, 16184), (14620, 14756)]