72204440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 219399840

約数和(自身を除く): 147195400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 136, 140, 154, 170, 187, 196, 197, 220, 238, 245, 280, 308, 340, 374, 385, 392, 394, 440, 476, 490, 539, 595, 616, 680, 748, 770, 788, 833, 935, 952, 980, 985, 1078, 1190, 1309, 1379, 1496, 1540, 1576, 1666, 1870, 1960, 1970, 2156, 2167, 2380, 2618, 2695, 2758, 3080, 3332, 3349, 3740, 3940, 4165, 4312, 4334, 4760, 5236, 5390, 5516, 6545, 6664, 6698, 6895, 7480, 7880, 8330, 8668, 9163, 9653, 10472, 10780, 10835, 11032, 13090, 13396, 13790, 15169, 16660, 16745, 17336, 18326, 19306, 21560, 21670, 23443, 26180, 26792, 27580, 30338, 33320, 33490, 36652, 36839, 38612, 43340, 45815, 46886, 48265, 52360, 55160, 60676, 66980, 73304, 73678, 75845, 77224, 86680, 91630, 93772, 96530, 106183, 117215, 121352, 133960, 147356, 151690, 164101, 183260, 184195, 187544, 193060, 212366, 234430, 257873, 294712, 303380, 328202, 366520, 368390, 386120, 424732, 468860, 515746, 530915, 606760, 656404, 736780, 820505, 849464, 937720, 1031492, 1061830, 1289365, 1312808, 1473560, 1641010, 1805111, 2062984, 2123660, 2578730, 3282020, 3610222, 4247320, 5157460, 6564040, 7220444, 9025555, 10314920, 14440888, 18051110, 36102220, 72204440]

約数ペア:

[(1, 72204440), (2, 36102220), (4, 18051110), (5, 14440888), (7, 10314920), (8, 9025555), (10, 7220444), (11, 6564040), (14, 5157460), (17, 4247320), (20, 3610222), (22, 3282020), (28, 2578730), (34, 2123660), (35, 2062984), (40, 1805111), (44, 1641010), (49, 1473560), (55, 1312808), (56, 1289365), (68, 1061830), (70, 1031492), (77, 937720), (85, 849464), (88, 820505), (98, 736780), (110, 656404), (119, 606760), (136, 530915), (140, 515746), (154, 468860), (170, 424732), (187, 386120), (196, 368390), (197, 366520), (220, 328202), (238, 303380), (245, 294712), (280, 257873), (308, 234430), (340, 212366), (374, 193060), (385, 187544), (392, 184195), (394, 183260), (440, 164101), (476, 151690), (490, 147356), (539, 133960), (595, 121352), (616, 117215), (680, 106183), (748, 96530), (770, 93772), (788, 91630), (833, 86680), (935, 77224), (952, 75845), (980, 73678), (985, 73304), (1078, 66980), (1190, 60676), (1309, 55160), (1379, 52360), (1496, 48265), (1540, 46886), (1576, 45815), (1666, 43340), (1870, 38612), (1960, 36839), (1970, 36652), (2156, 33490), (2167, 33320), (2380, 30338), (2618, 27580), (2695, 26792), (2758, 26180), (3080, 23443), (3332, 21670), (3349, 21560), (3740, 19306), (3940, 18326), (4165, 17336), (4312, 16745), (4334, 16660), (4760, 15169), (5236, 13790), (5390, 13396), (5516, 13090), (6545, 11032), (6664, 10835), (6698, 10780), (6895, 10472), (7480, 9653), (7880, 9163), (8330, 8668)]