76521720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2053

約数の個数: 128

約数和(自身を含む): 259200000

約数和(自身を除く): 182678280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1914, 1999, 2552, 3190, 3480, 3828, 3998, 4785, 5997, 6380, 7656, 7996, 9570, 9995, 11994, 12760, 15992, 19140, 19990, 21989, 23988, 29985, 38280, 39980, 43978, 47976, 57971, 59970, 65967, 79960, 87956, 109945, 115942, 119940, 131934, 173913, 175912, 219890, 231884, 239880, 263868, 289855, 329835, 347826, 439780, 463768, 527736, 579710, 637681, 659670, 695652, 869565, 879560, 1159420, 1275362, 1319340, 1391304, 1739130, 1913043, 2318840, 2550724, 2638680, 3188405, 3478260, 3826086, 5101448, 6376810, 6956520, 7652172, 9565215, 12753620, 15304344, 19130430, 25507240, 38260860, 76521720]

約数ペア:

[(1, 76521720), (2, 38260860), (3, 25507240), (4, 19130430), (5, 15304344), (6, 12753620), (8, 9565215), (10, 7652172), (11, 6956520), (12, 6376810), (15, 5101448), (20, 3826086), (22, 3478260), (24, 3188405), (29, 2638680), (30, 2550724), (33, 2318840), (40, 1913043), (44, 1739130), (55, 1391304), (58, 1319340), (60, 1275362), (66, 1159420), (87, 879560), (88, 869565), (110, 695652), (116, 659670), (120, 637681), (132, 579710), (145, 527736), (165, 463768), (174, 439780), (220, 347826), (232, 329835), (264, 289855), (290, 263868), (319, 239880), (330, 231884), (348, 219890), (435, 175912), (440, 173913), (580, 131934), (638, 119940), (660, 115942), (696, 109945), (870, 87956), (957, 79960), (1160, 65967), (1276, 59970), (1320, 57971), (1595, 47976), (1740, 43978), (1914, 39980), (1999, 38280), (2552, 29985), (3190, 23988), (3480, 21989), (3828, 19990), (3998, 19140), (4785, 15992), (5997, 12760), (6380, 11994), (7656, 9995), (7996, 9570)]