1996975620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64879}}^1$

素因数の和:64919

約数の個数: 120

約数和(自身を含む): 6594403200

約数和(自身を除く): 4597427580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 15390, 30780, 64879, 129758, 194637, 259516, 324395, 389274, 583911, 648790, 778548, 973185, 1167822, 1232701, 1297580, 1751733, 1946370, 2335644, 2465402, 2919555, 3503466, 3698103, 3892740, 4930804, 5255199, 5839110, 6163505, 7006932, 7396206, 8758665, 10510398, 11094309, 11678220, 12327010, 14792412, 17517330, 18490515, 21020796, 22188618, 24654020, 26275995, 33282927, 35034660, 36981030, 44377236, 52551990, 55471545, 66565854, 73962060, 99848781, 105103980, 110943090, 133131708, 166414635, 199697562, 221886180, 332829270, 399395124, 499243905, 665658540, 998487810, 1996975620]

約数ペア:

[(1, 1996975620), (2, 998487810), (3, 665658540), (4, 499243905), (5, 399395124), (6, 332829270), (9, 221886180), (10, 199697562), (12, 166414635), (15, 133131708), (18, 110943090), (19, 105103980), (20, 99848781), (27, 73962060), (30, 66565854), (36, 55471545), (38, 52551990), (45, 44377236), (54, 36981030), (57, 35034660), (60, 33282927), (76, 26275995), (81, 24654020), (90, 22188618), (95, 21020796), (108, 18490515), (114, 17517330), (135, 14792412), (162, 12327010), (171, 11678220), (180, 11094309), (190, 10510398), (228, 8758665), (270, 7396206), (285, 7006932), (324, 6163505), (342, 5839110), (380, 5255199), (405, 4930804), (513, 3892740), (540, 3698103), (570, 3503466), (684, 2919555), (810, 2465402), (855, 2335644), (1026, 1946370), (1140, 1751733), (1539, 1297580), (1620, 1232701), (1710, 1167822), (2052, 973185), (2565, 778548), (3078, 648790), (3420, 583911), (5130, 389274), (6156, 324395), (7695, 259516), (10260, 194637), (15390, 129758), (30780, 64879)]