80486840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 225555840

約数和(自身を除く): 145069000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 457, 476, 518, 595, 629, 680, 740, 914, 952, 1036, 1190, 1258, 1295, 1480, 1828, 2072, 2285, 2380, 2516, 2590, 3145, 3199, 3656, 4403, 4570, 4760, 5032, 5180, 6290, 6398, 7769, 8806, 9140, 10360, 12580, 12796, 15538, 15995, 16909, 17612, 18280, 22015, 25160, 25592, 31076, 31990, 33818, 35224, 38845, 44030, 54383, 62152, 63980, 67636, 77690, 84545, 88060, 108766, 118363, 127960, 135272, 155380, 169090, 176120, 217532, 236726, 271915, 287453, 310760, 338180, 435064, 473452, 543830, 574906, 591815, 676360, 946904, 1087660, 1149812, 1183630, 1437265, 2012171, 2175320, 2299624, 2367260, 2874530, 4024342, 4734520, 5749060, 8048684, 10060855, 11498120, 16097368, 20121710, 40243420, 80486840]

約数ペア:

[(1, 80486840), (2, 40243420), (4, 20121710), (5, 16097368), (7, 11498120), (8, 10060855), (10, 8048684), (14, 5749060), (17, 4734520), (20, 4024342), (28, 2874530), (34, 2367260), (35, 2299624), (37, 2175320), (40, 2012171), (56, 1437265), (68, 1183630), (70, 1149812), (74, 1087660), (85, 946904), (119, 676360), (136, 591815), (140, 574906), (148, 543830), (170, 473452), (185, 435064), (238, 338180), (259, 310760), (280, 287453), (296, 271915), (340, 236726), (370, 217532), (457, 176120), (476, 169090), (518, 155380), (595, 135272), (629, 127960), (680, 118363), (740, 108766), (914, 88060), (952, 84545), (1036, 77690), (1190, 67636), (1258, 63980), (1295, 62152), (1480, 54383), (1828, 44030), (2072, 38845), (2285, 35224), (2380, 33818), (2516, 31990), (2590, 31076), (3145, 25592), (3199, 25160), (3656, 22015), (4403, 18280), (4570, 17612), (4760, 16909), (5032, 15995), (5180, 15538), (6290, 12796), (6398, 12580), (7769, 10360), (8806, 9140)]