70980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2$

素因数の和:45

約数の個数: 72

約数和(自身を含む): 245952

約数和(自身を除く): 174972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3380, 3549, 4732, 5070, 5460, 5915, 7098, 10140, 11830, 14196, 17745, 23660, 35490, 70980]

約数ペア:

[(1, 70980), (2, 35490), (3, 23660), (4, 17745), (5, 14196), (6, 11830), (7, 10140), (10, 7098), (12, 5915), (13, 5460), (14, 5070), (15, 4732), (20, 3549), (21, 3380), (26, 2730), (28, 2535), (30, 2366), (35, 2028), (39, 1820), (42, 1690), (52, 1365), (60, 1183), (65, 1092), (70, 1014), (78, 910), (84, 845), (91, 780), (105, 676), (130, 546), (140, 507), (156, 455), (169, 420), (182, 390), (195, 364), (210, 338), (260, 273)]