8901270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 26956800

約数和(自身を除く): 18055530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 199, 210, 213, 315, 355, 398, 426, 497, 597, 630, 639, 710, 994, 995, 1065, 1194, 1278, 1393, 1491, 1791, 1990, 2130, 2485, 2786, 2982, 2985, 3195, 3582, 4179, 4473, 4970, 5970, 6390, 6965, 7455, 8358, 8946, 8955, 12537, 13930, 14129, 14910, 17910, 20895, 22365, 25074, 28258, 41790, 42387, 44730, 62685, 70645, 84774, 98903, 125370, 127161, 141290, 197806, 211935, 254322, 296709, 423870, 494515, 593418, 635805, 890127, 989030, 1271610, 1483545, 1780254, 2967090, 4450635, 8901270]

約数ペア:

[(1, 8901270), (2, 4450635), (3, 2967090), (5, 1780254), (6, 1483545), (7, 1271610), (9, 989030), (10, 890127), (14, 635805), (15, 593418), (18, 494515), (21, 423870), (30, 296709), (35, 254322), (42, 211935), (45, 197806), (63, 141290), (70, 127161), (71, 125370), (90, 98903), (105, 84774), (126, 70645), (142, 62685), (199, 44730), (210, 42387), (213, 41790), (315, 28258), (355, 25074), (398, 22365), (426, 20895), (497, 17910), (597, 14910), (630, 14129), (639, 13930), (710, 12537), (994, 8955), (995, 8946), (1065, 8358), (1194, 7455), (1278, 6965), (1393, 6390), (1491, 5970), (1791, 4970), (1990, 4473), (2130, 4179), (2485, 3582), (2786, 3195), (2982, 2985)]