20881533600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{54721}}^1$

素因数の和:54800

約数の個数: 216

約数和(自身を含む): 75024190332

約数和(自身を除く): 54142656732

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 53, 60, 72, 75, 80, 90, 96, 100, 106, 120, 144, 150, 159, 160, 180, 200, 212, 225, 240, 265, 288, 300, 318, 360, 400, 424, 450, 477, 480, 530, 600, 636, 720, 795, 800, 848, 900, 954, 1060, 1200, 1272, 1325, 1440, 1590, 1696, 1800, 1908, 2120, 2385, 2400, 2544, 2650, 3180, 3600, 3816, 3975, 4240, 4770, 5088, 5300, 6360, 7200, 7632, 7950, 8480, 9540, 10600, 11925, 12720, 15264, 15900, 19080, 21200, 23850, 25440, 31800, 38160, 42400, 47700, 54721, 63600, 76320, 95400, 109442, 127200, 164163, 190800, 218884, 273605, 328326, 381600, 437768, 492489, 547210, 656652, 820815, 875536, 984978, 1094420, 1313304, 1368025, 1641630, 1751072, 1969956, 2188840, 2462445, 2626608, 2736050, 2900213, 3283260, 3939912, 4104075, 4377680, 4924890, 5253216, 5472100, 5800426, 6566520, 7879824, 8208150, 8700639, 8755360, 9849780, 10944200, 11600852, 12312225, 13133040, 14501065, 15759648, 16416300, 17401278, 19699560, 21888400, 23201704, 24624450, 26101917, 26266080, 29002130, 32832600, 34802556, 39399120, 43503195, 43776800, 46403408, 49248900, 52203834, 58004260, 65665200, 69605112, 72505325, 78798240, 87006390, 92806816, 98497800, 104407668, 116008520, 130509585, 131330400, 139210224, 145010650, 174012780, 196995600, 208815336, 217515975, 232017040, 261019170, 278420448, 290021300, 348025560, 393991200, 417630672, 435031950, 464034080, 522038340, 580042600, 652547925, 696051120, 835261344, 870063900, 1044076680, 1160085200, 1305095850, 1392102240, 1740127800, 2088153360, 2320170400, 2610191700, 3480255600, 4176306720, 5220383400, 6960511200, 10440766800, 20881533600]

約数ペア:

[(1, 20881533600), (2, 10440766800), (3, 6960511200), (4, 5220383400), (5, 4176306720), (6, 3480255600), (8, 2610191700), (9, 2320170400), (10, 2088153360), (12, 1740127800), (15, 1392102240), (16, 1305095850), (18, 1160085200), (20, 1044076680), (24, 870063900), (25, 835261344), (30, 696051120), (32, 652547925), (36, 580042600), (40, 522038340), (45, 464034080), (48, 435031950), (50, 417630672), (53, 393991200), (60, 348025560), (72, 290021300), (75, 278420448), (80, 261019170), (90, 232017040), (96, 217515975), (100, 208815336), (106, 196995600), (120, 174012780), (144, 145010650), (150, 139210224), (159, 131330400), (160, 130509585), (180, 116008520), (200, 104407668), (212, 98497800), (225, 92806816), (240, 87006390), (265, 78798240), (288, 72505325), (300, 69605112), (318, 65665200), (360, 58004260), (400, 52203834), (424, 49248900), (450, 46403408), (477, 43776800), (480, 43503195), (530, 39399120), (600, 34802556), (636, 32832600), (720, 29002130), (795, 26266080), (800, 26101917), (848, 24624450), (900, 23201704), (954, 21888400), (1060, 19699560), (1200, 17401278), (1272, 16416300), (1325, 15759648), (1440, 14501065), (1590, 13133040), (1696, 12312225), (1800, 11600852), (1908, 10944200), (2120, 9849780), (2385, 8755360), (2400, 8700639), (2544, 8208150), (2650, 7879824), (3180, 6566520), (3600, 5800426), (3816, 5472100), (3975, 5253216), (4240, 4924890), (4770, 4377680), (5088, 4104075), (5300, 3939912), (6360, 3283260), (7200, 2900213), (7632, 2736050), (7950, 2626608), (8480, 2462445), (9540, 2188840), (10600, 1969956), (11925, 1751072), (12720, 1641630), (15264, 1368025), (15900, 1313304), (19080, 1094420), (21200, 984978), (23850, 875536), (25440, 820815), (31800, 656652), (38160, 547210), (42400, 492489), (47700, 437768), (54721, 381600), (63600, 328326), (76320, 273605), (95400, 218884), (109442, 190800), (127200, 164163)]