1688960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 128

約数和(自身を含む): 5140800

約数和(自身を除く): 3451840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 64, 65, 70, 80, 91, 104, 112, 116, 128, 130, 140, 145, 160, 182, 203, 208, 224, 232, 260, 280, 290, 320, 364, 377, 406, 416, 448, 455, 464, 520, 560, 580, 640, 728, 754, 812, 832, 896, 910, 928, 1015, 1040, 1120, 1160, 1456, 1508, 1624, 1664, 1820, 1856, 1885, 2030, 2080, 2240, 2320, 2639, 2912, 3016, 3248, 3640, 3712, 3770, 4060, 4160, 4480, 4640, 5278, 5824, 6032, 6496, 7280, 7540, 8120, 8320, 9280, 10556, 11648, 12064, 12992, 13195, 14560, 15080, 16240, 18560, 21112, 24128, 25984, 26390, 29120, 30160, 32480, 42224, 48256, 52780, 58240, 60320, 64960, 84448, 105560, 120640, 129920, 168896, 211120, 241280, 337792, 422240, 844480, 1688960]

約数ペア:

[(1, 1688960), (2, 844480), (4, 422240), (5, 337792), (7, 241280), (8, 211120), (10, 168896), (13, 129920), (14, 120640), (16, 105560), (20, 84448), (26, 64960), (28, 60320), (29, 58240), (32, 52780), (35, 48256), (40, 42224), (52, 32480), (56, 30160), (58, 29120), (64, 26390), (65, 25984), (70, 24128), (80, 21112), (91, 18560), (104, 16240), (112, 15080), (116, 14560), (128, 13195), (130, 12992), (140, 12064), (145, 11648), (160, 10556), (182, 9280), (203, 8320), (208, 8120), (224, 7540), (232, 7280), (260, 6496), (280, 6032), (290, 5824), (320, 5278), (364, 4640), (377, 4480), (406, 4160), (416, 4060), (448, 3770), (455, 3712), (464, 3640), (520, 3248), (560, 3016), (580, 2912), (640, 2639), (728, 2320), (754, 2240), (812, 2080), (832, 2030), (896, 1885), (910, 1856), (928, 1820), (1015, 1664), (1040, 1624), (1120, 1508), (1160, 1456)]