20802873360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2477

約数の個数: 160

約数和(自身を含む): 65210112000

約数和(自身を除く): 44407238640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 331, 393, 524, 655, 662, 786, 993, 1048, 1310, 1324, 1572, 1655, 1965, 1986, 1999, 2096, 2620, 2648, 3144, 3310, 3930, 3972, 3998, 4965, 5240, 5296, 5997, 6288, 6620, 7860, 7944, 7996, 9930, 9995, 10480, 11994, 13240, 15720, 15888, 15992, 19860, 19990, 23988, 26480, 29985, 31440, 31984, 39720, 39980, 43361, 47976, 59970, 79440, 79960, 86722, 95952, 119940, 130083, 159920, 173444, 216805, 239880, 260166, 261869, 346888, 433610, 479760, 520332, 523738, 650415, 661669, 693776, 785607, 867220, 1040664, 1047476, 1300830, 1309345, 1323338, 1571214, 1734440, 1985007, 2081328, 2094952, 2601660, 2618690, 2646676, 3142428, 3308345, 3468880, 3928035, 3970014, 4189904, 5203320, 5237380, 5293352, 6284856, 6616690, 7856070, 7940028, 9925035, 10406640, 10474760, 10586704, 12569712, 13233380, 15712140, 15880056, 19850070, 20949520, 26466760, 31424280, 31760112, 39700140, 52933520, 62848560, 79400280, 86678639, 158800560, 173357278, 260035917, 346714556, 433393195, 520071834, 693429112, 866786390, 1040143668, 1300179585, 1386858224, 1733572780, 2080287336, 2600359170, 3467145560, 4160574672, 5200718340, 6934291120, 10401436680, 20802873360]

約数ペア:

[(1, 20802873360), (2, 10401436680), (3, 6934291120), (4, 5200718340), (5, 4160574672), (6, 3467145560), (8, 2600359170), (10, 2080287336), (12, 1733572780), (15, 1386858224), (16, 1300179585), (20, 1040143668), (24, 866786390), (30, 693429112), (40, 520071834), (48, 433393195), (60, 346714556), (80, 260035917), (120, 173357278), (131, 158800560), (240, 86678639), (262, 79400280), (331, 62848560), (393, 52933520), (524, 39700140), (655, 31760112), (662, 31424280), (786, 26466760), (993, 20949520), (1048, 19850070), (1310, 15880056), (1324, 15712140), (1572, 13233380), (1655, 12569712), (1965, 10586704), (1986, 10474760), (1999, 10406640), (2096, 9925035), (2620, 7940028), (2648, 7856070), (3144, 6616690), (3310, 6284856), (3930, 5293352), (3972, 5237380), (3998, 5203320), (4965, 4189904), (5240, 3970014), (5296, 3928035), (5997, 3468880), (6288, 3308345), (6620, 3142428), (7860, 2646676), (7944, 2618690), (7996, 2601660), (9930, 2094952), (9995, 2081328), (10480, 1985007), (11994, 1734440), (13240, 1571214), (15720, 1323338), (15888, 1309345), (15992, 1300830), (19860, 1047476), (19990, 1040664), (23988, 867220), (26480, 785607), (29985, 693776), (31440, 661669), (31984, 650415), (39720, 523738), (39980, 520332), (43361, 479760), (47976, 433610), (59970, 346888), (79440, 261869), (79960, 260166), (86722, 239880), (95952, 216805), (119940, 173444), (130083, 159920)]