29721560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 75340800

約数和(自身を除く): 45619240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2179, 2728, 3410, 4358, 6820, 8716, 10895, 13640, 17432, 21790, 23969, 43580, 47938, 67549, 87160, 95876, 119845, 135098, 191752, 239690, 270196, 337745, 479380, 540392, 675490, 743039, 958760, 1350980, 1486078, 2701960, 2972156, 3715195, 5944312, 7430390, 14860780, 29721560]

約数ペア:

[(1, 29721560), (2, 14860780), (4, 7430390), (5, 5944312), (8, 3715195), (10, 2972156), (11, 2701960), (20, 1486078), (22, 1350980), (31, 958760), (40, 743039), (44, 675490), (55, 540392), (62, 479380), (88, 337745), (110, 270196), (124, 239690), (155, 191752), (220, 135098), (248, 119845), (310, 95876), (341, 87160), (440, 67549), (620, 47938), (682, 43580), (1240, 23969), (1364, 21790), (1705, 17432), (2179, 13640), (2728, 10895), (3410, 8716), (4358, 6820)]