20210618040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{16433}}^1$

素因数の和:16761

約数の個数: 128

約数和(自身を含む): 62499159360

約数和(自身を除く): 42288541320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 277, 296, 370, 444, 554, 555, 740, 831, 888, 1108, 1110, 1385, 1480, 1662, 2216, 2220, 2770, 3324, 4155, 4440, 5540, 6648, 8310, 10249, 11080, 16433, 16620, 20498, 30747, 32866, 33240, 40996, 49299, 51245, 61494, 65732, 81992, 82165, 98598, 102490, 122988, 131464, 153735, 164330, 197196, 204980, 245976, 246495, 307470, 328660, 394392, 409960, 492990, 608021, 614940, 657320, 985980, 1216042, 1229880, 1824063, 1971960, 2432084, 3040105, 3648126, 4551941, 4864168, 6080210, 7296252, 9103882, 9120315, 12160420, 13655823, 14592504, 18207764, 18240630, 22759705, 24320840, 27311646, 36415528, 36481260, 45519410, 54623292, 68279115, 72962520, 91038820, 109246584, 136558230, 168421817, 182077640, 273116460, 336843634, 505265451, 546232920, 673687268, 842109085, 1010530902, 1347374536, 1684218170, 2021061804, 2526327255, 3368436340, 4042123608, 5052654510, 6736872680, 10105309020, 20210618040]

約数ペア:

[(1, 20210618040), (2, 10105309020), (3, 6736872680), (4, 5052654510), (5, 4042123608), (6, 3368436340), (8, 2526327255), (10, 2021061804), (12, 1684218170), (15, 1347374536), (20, 1010530902), (24, 842109085), (30, 673687268), (37, 546232920), (40, 505265451), (60, 336843634), (74, 273116460), (111, 182077640), (120, 168421817), (148, 136558230), (185, 109246584), (222, 91038820), (277, 72962520), (296, 68279115), (370, 54623292), (444, 45519410), (554, 36481260), (555, 36415528), (740, 27311646), (831, 24320840), (888, 22759705), (1108, 18240630), (1110, 18207764), (1385, 14592504), (1480, 13655823), (1662, 12160420), (2216, 9120315), (2220, 9103882), (2770, 7296252), (3324, 6080210), (4155, 4864168), (4440, 4551941), (5540, 3648126), (6648, 3040105), (8310, 2432084), (10249, 1971960), (11080, 1824063), (16433, 1229880), (16620, 1216042), (20498, 985980), (30747, 657320), (32866, 614940), (33240, 608021), (40996, 492990), (49299, 409960), (51245, 394392), (61494, 328660), (65732, 307470), (81992, 246495), (82165, 245976), (98598, 204980), (102490, 197196), (122988, 164330), (131464, 153735)]