212940

素因数分解:

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

素因数の和:48

約数の個数: 108

約数和(自身を含む): 799344

約数和(自身を除く): 586404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 2028, 2340, 2366, 2535, 2730, 3042, 3276, 3380, 3549, 4095, 4732, 5070, 5460, 5915, 6084, 7098, 7605, 8190, 10140, 10647, 11830, 14196, 15210, 16380, 17745, 21294, 23660, 30420, 35490, 42588, 53235, 70980, 106470, 212940]

約数ペア:

[(1, 212940), (2, 106470), (3, 70980), (4, 53235), (5, 42588), (6, 35490), (7, 30420), (9, 23660), (10, 21294), (12, 17745), (13, 16380), (14, 15210), (15, 14196), (18, 11830), (20, 10647), (21, 10140), (26, 8190), (28, 7605), (30, 7098), (35, 6084), (36, 5915), (39, 5460), (42, 5070), (45, 4732), (52, 4095), (60, 3549), (63, 3380), (65, 3276), (70, 3042), (78, 2730), (84, 2535), (90, 2366), (91, 2340), (105, 2028), (117, 1820), (126, 1690), (130, 1638), (140, 1521), (156, 1365), (169, 1260), (180, 1183), (182, 1170), (195, 1092), (210, 1014), (234, 910), (252, 845), (260, 819), (273, 780), (315, 676), (338, 630), (364, 585), (390, 546), (420, 507), (455, 468)]