387998520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35531}}^1$

素因数の和:35565

約数の個数: 128

約数和(自身を含む): 1432650240

約数和(自身を除く): 1044651720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 35531, 71062, 106593, 142124, 177655, 213186, 248717, 284248, 355310, 426372, 461903, 497434, 532965, 710620, 746151, 852744, 923806, 994868, 1065930, 1243585, 1385709, 1421240, 1492302, 1847612, 1989736, 2131860, 2309515, 2487170, 2771418, 2984604, 3233321, 3695224, 3730755, 4263720, 4619030, 4974340, 5542836, 5969208, 6466642, 6928545, 7461510, 9238060, 9699963, 9948680, 11085672, 12933284, 13857090, 14923020, 16166605, 18476120, 19399926, 25866568, 27714180, 29846040, 32333210, 38799852, 48499815, 55428360, 64666420, 77599704, 96999630, 129332840, 193999260, 387998520]

約数ペア:

[(1, 387998520), (2, 193999260), (3, 129332840), (4, 96999630), (5, 77599704), (6, 64666420), (7, 55428360), (8, 48499815), (10, 38799852), (12, 32333210), (13, 29846040), (14, 27714180), (15, 25866568), (20, 19399926), (21, 18476120), (24, 16166605), (26, 14923020), (28, 13857090), (30, 12933284), (35, 11085672), (39, 9948680), (40, 9699963), (42, 9238060), (52, 7461510), (56, 6928545), (60, 6466642), (65, 5969208), (70, 5542836), (78, 4974340), (84, 4619030), (91, 4263720), (104, 3730755), (105, 3695224), (120, 3233321), (130, 2984604), (140, 2771418), (156, 2487170), (168, 2309515), (182, 2131860), (195, 1989736), (210, 1847612), (260, 1492302), (273, 1421240), (280, 1385709), (312, 1243585), (364, 1065930), (390, 994868), (420, 923806), (455, 852744), (520, 746151), (546, 710620), (728, 532965), (780, 497434), (840, 461903), (910, 426372), (1092, 355310), (1365, 284248), (1560, 248717), (1820, 213186), (2184, 177655), (2730, 142124), (3640, 106593), (5460, 71062), (10920, 35531)]