1398822120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54727}}^1$

素因数の和:54815

約数の個数: 96

約数和(自身を含む): 4610286720

約数和(自身を除く): 3211464600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25560, 54727, 109454, 164181, 218908, 273635, 328362, 437816, 492543, 547270, 656724, 820905, 985086, 1094540, 1313448, 1641810, 1970172, 2189080, 2462715, 3283620, 3885617, 3940344, 4925430, 6567240, 7771234, 9850860, 11656851, 15542468, 19428085, 19701720, 23313702, 31084936, 34970553, 38856170, 46627404, 58284255, 69941106, 77712340, 93254808, 116568510, 139882212, 155424680, 174852765, 233137020, 279764424, 349705530, 466274040, 699411060, 1398822120]

約数ペア:

[(1, 1398822120), (2, 699411060), (3, 466274040), (4, 349705530), (5, 279764424), (6, 233137020), (8, 174852765), (9, 155424680), (10, 139882212), (12, 116568510), (15, 93254808), (18, 77712340), (20, 69941106), (24, 58284255), (30, 46627404), (36, 38856170), (40, 34970553), (45, 31084936), (60, 23313702), (71, 19701720), (72, 19428085), (90, 15542468), (120, 11656851), (142, 9850860), (180, 7771234), (213, 6567240), (284, 4925430), (355, 3940344), (360, 3885617), (426, 3283620), (568, 2462715), (639, 2189080), (710, 1970172), (852, 1641810), (1065, 1313448), (1278, 1094540), (1420, 985086), (1704, 820905), (2130, 656724), (2556, 547270), (2840, 492543), (3195, 437816), (4260, 328362), (5112, 273635), (6390, 218908), (8520, 164181), (12780, 109454), (25560, 54727)]