7421960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 20563200

約数和(自身を除く): 13141240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2039, 3640, 4078, 8156, 10195, 14273, 16312, 20390, 26507, 28546, 40780, 53014, 57092, 71365, 81560, 106028, 114184, 132535, 142730, 185549, 212056, 265070, 285460, 371098, 530140, 570920, 742196, 927745, 1060280, 1484392, 1855490, 3710980, 7421960]

約数ペア:

[(1, 7421960), (2, 3710980), (4, 1855490), (5, 1484392), (7, 1060280), (8, 927745), (10, 742196), (13, 570920), (14, 530140), (20, 371098), (26, 285460), (28, 265070), (35, 212056), (40, 185549), (52, 142730), (56, 132535), (65, 114184), (70, 106028), (91, 81560), (104, 71365), (130, 57092), (140, 53014), (182, 40780), (260, 28546), (280, 26507), (364, 20390), (455, 16312), (520, 14273), (728, 10195), (910, 8156), (1820, 4078), (2039, 3640)]