20628272880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{122963}}^1$

素因数の和:123215

約数の個数: 120

約数和(自身を含む): 69574506768

約数和(自身を除く): 48946233888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 233, 240, 360, 466, 699, 720, 932, 1165, 1398, 1864, 2097, 2330, 2796, 3495, 3728, 4194, 4660, 5592, 6990, 8388, 9320, 10485, 11184, 13980, 16776, 18640, 20970, 27960, 33552, 41940, 55920, 83880, 122963, 167760, 245926, 368889, 491852, 614815, 737778, 983704, 1106667, 1229630, 1475556, 1844445, 1967408, 2213334, 2459260, 2951112, 3688890, 4426668, 4918520, 5533335, 5902224, 7377780, 8853336, 9837040, 11066670, 14755560, 17706672, 22133340, 28650379, 29511120, 44266680, 57300758, 85951137, 88533360, 114601516, 143251895, 171902274, 229203032, 257853411, 286503790, 343804548, 429755685, 458406064, 515706822, 573007580, 687609096, 859511370, 1031413644, 1146015160, 1289267055, 1375218192, 1719022740, 2062827288, 2292030320, 2578534110, 3438045480, 4125654576, 5157068220, 6876090960, 10314136440, 20628272880]

約数ペア:

[(1, 20628272880), (2, 10314136440), (3, 6876090960), (4, 5157068220), (5, 4125654576), (6, 3438045480), (8, 2578534110), (9, 2292030320), (10, 2062827288), (12, 1719022740), (15, 1375218192), (16, 1289267055), (18, 1146015160), (20, 1031413644), (24, 859511370), (30, 687609096), (36, 573007580), (40, 515706822), (45, 458406064), (48, 429755685), (60, 343804548), (72, 286503790), (80, 257853411), (90, 229203032), (120, 171902274), (144, 143251895), (180, 114601516), (233, 88533360), (240, 85951137), (360, 57300758), (466, 44266680), (699, 29511120), (720, 28650379), (932, 22133340), (1165, 17706672), (1398, 14755560), (1864, 11066670), (2097, 9837040), (2330, 8853336), (2796, 7377780), (3495, 5902224), (3728, 5533335), (4194, 4918520), (4660, 4426668), (5592, 3688890), (6990, 2951112), (8388, 2459260), (9320, 2213334), (10485, 1967408), (11184, 1844445), (13980, 1475556), (16776, 1229630), (18640, 1106667), (20970, 983704), (27960, 737778), (33552, 614815), (41940, 491852), (55920, 368889), (83880, 245926), (122963, 167760)]