1997049060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{6991}}^1$

素因数の和:7055

約数の個数: 144

約数和(自身を含む): 6495847680

約数和(自身を除く): 4498798620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 529, 540, 621, 690, 828, 1035, 1058, 1242, 1380, 1587, 2070, 2116, 2484, 2645, 3105, 3174, 4140, 4761, 5290, 6210, 6348, 6991, 7935, 9522, 10580, 12420, 13982, 14283, 15870, 19044, 20973, 23805, 27964, 28566, 31740, 34955, 41946, 47610, 57132, 62919, 69910, 71415, 83892, 95220, 104865, 125838, 139820, 142830, 160793, 188757, 209730, 251676, 285660, 314595, 321586, 377514, 419460, 482379, 629190, 643172, 755028, 803965, 943785, 964758, 1258380, 1447137, 1607930, 1887570, 1929516, 2411895, 2894274, 3215860, 3698239, 3775140, 4341411, 4823790, 5788548, 7235685, 7396478, 8682822, 9647580, 11094717, 14471370, 14792956, 17365644, 18491195, 21707055, 22189434, 28942740, 33284151, 36982390, 43414110, 44378868, 55473585, 66568302, 73964780, 86828220, 99852453, 110947170, 133136604, 166420755, 199704906, 221894340, 332841510, 399409812, 499262265, 665683020, 998524530, 1997049060]

約数ペア:

[(1, 1997049060), (2, 998524530), (3, 665683020), (4, 499262265), (5, 399409812), (6, 332841510), (9, 221894340), (10, 199704906), (12, 166420755), (15, 133136604), (18, 110947170), (20, 99852453), (23, 86828220), (27, 73964780), (30, 66568302), (36, 55473585), (45, 44378868), (46, 43414110), (54, 36982390), (60, 33284151), (69, 28942740), (90, 22189434), (92, 21707055), (108, 18491195), (115, 17365644), (135, 14792956), (138, 14471370), (180, 11094717), (207, 9647580), (230, 8682822), (270, 7396478), (276, 7235685), (345, 5788548), (414, 4823790), (460, 4341411), (529, 3775140), (540, 3698239), (621, 3215860), (690, 2894274), (828, 2411895), (1035, 1929516), (1058, 1887570), (1242, 1607930), (1380, 1447137), (1587, 1258380), (2070, 964758), (2116, 943785), (2484, 803965), (2645, 755028), (3105, 643172), (3174, 629190), (4140, 482379), (4761, 419460), (5290, 377514), (6210, 321586), (6348, 314595), (6991, 285660), (7935, 251676), (9522, 209730), (10580, 188757), (12420, 160793), (13982, 142830), (14283, 139820), (15870, 125838), (19044, 104865), (20973, 95220), (23805, 83892), (27964, 71415), (28566, 69910), (31740, 62919), (34955, 57132), (41946, 47610)]