258830460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205421}}^1$

素因数の和:205443

約数の個数: 72

約数和(自身を含む): 897283296

約数和(自身を除く): 638452836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 205421, 410842, 616263, 821684, 1027105, 1232526, 1437947, 1848789, 2054210, 2465052, 2875894, 3081315, 3697578, 4108420, 4313841, 5751788, 6162630, 7189735, 7395156, 8627682, 9243945, 12325260, 12941523, 14379470, 17255364, 18487890, 21569205, 25883046, 28758940, 36975780, 43138410, 51766092, 64707615, 86276820, 129415230, 258830460]

約数ペア:

[(1, 258830460), (2, 129415230), (3, 86276820), (4, 64707615), (5, 51766092), (6, 43138410), (7, 36975780), (9, 28758940), (10, 25883046), (12, 21569205), (14, 18487890), (15, 17255364), (18, 14379470), (20, 12941523), (21, 12325260), (28, 9243945), (30, 8627682), (35, 7395156), (36, 7189735), (42, 6162630), (45, 5751788), (60, 4313841), (63, 4108420), (70, 3697578), (84, 3081315), (90, 2875894), (105, 2465052), (126, 2054210), (140, 1848789), (180, 1437947), (210, 1232526), (252, 1027105), (315, 821684), (420, 616263), (630, 410842), (1260, 205421)]