149295720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2107

約数の個数: 128

約数和(自身を含む): 517881600

約数和(自身を除く): 368585880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 1997, 2136, 2492, 2670, 3115, 3560, 3738, 3994, 4984, 5340, 5991, 6230, 7476, 7988, 9345, 9985, 10680, 11982, 12460, 13979, 14952, 15976, 18690, 19970, 23964, 24920, 27958, 29955, 37380, 39940, 41937, 47928, 55916, 59910, 69895, 74760, 79880, 83874, 111832, 119820, 139790, 167748, 177733, 209685, 239640, 279580, 335496, 355466, 419370, 533199, 559160, 710932, 838740, 888665, 1066398, 1244131, 1421864, 1677480, 1777330, 2132796, 2488262, 2665995, 3554660, 3732393, 4265592, 4976524, 5331990, 6220655, 7109320, 7464786, 9953048, 10663980, 12441310, 14929572, 18661965, 21327960, 24882620, 29859144, 37323930, 49765240, 74647860, 149295720]

約数ペア:

[(1, 149295720), (2, 74647860), (3, 49765240), (4, 37323930), (5, 29859144), (6, 24882620), (7, 21327960), (8, 18661965), (10, 14929572), (12, 12441310), (14, 10663980), (15, 9953048), (20, 7464786), (21, 7109320), (24, 6220655), (28, 5331990), (30, 4976524), (35, 4265592), (40, 3732393), (42, 3554660), (56, 2665995), (60, 2488262), (70, 2132796), (84, 1777330), (89, 1677480), (105, 1421864), (120, 1244131), (140, 1066398), (168, 888665), (178, 838740), (210, 710932), (267, 559160), (280, 533199), (356, 419370), (420, 355466), (445, 335496), (534, 279580), (623, 239640), (712, 209685), (840, 177733), (890, 167748), (1068, 139790), (1246, 119820), (1335, 111832), (1780, 83874), (1869, 79880), (1997, 74760), (2136, 69895), (2492, 59910), (2670, 55916), (3115, 47928), (3560, 41937), (3738, 39940), (3994, 37380), (4984, 29955), (5340, 27958), (5991, 24920), (6230, 23964), (7476, 19970), (7988, 18690), (9345, 15976), (9985, 14952), (10680, 13979), (11982, 12460)]