256789830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 695692800

約数和(自身を除く): 438902970

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 59, 66, 109, 110, 118, 121, 165, 177, 218, 242, 295, 327, 330, 354, 363, 545, 590, 605, 649, 654, 726, 885, 1090, 1199, 1210, 1298, 1331, 1635, 1770, 1815, 1947, 2398, 2662, 3245, 3270, 3597, 3630, 3894, 3993, 5995, 6431, 6490, 6655, 7139, 7194, 7986, 9735, 11990, 12862, 13189, 13310, 14278, 17985, 19293, 19470, 19965, 21417, 26378, 32155, 35695, 35970, 38586, 39567, 39930, 42834, 64310, 65945, 70741, 71390, 78529, 79134, 96465, 107085, 131890, 141482, 145079, 157058, 192930, 197835, 212223, 214170, 235587, 290158, 353705, 392645, 395670, 424446, 435237, 471174, 707410, 725395, 778151, 785290, 870474, 1061115, 1177935, 1450790, 1556302, 2122230, 2176185, 2334453, 2355870, 3890755, 4352370, 4668906, 7781510, 8559661, 11672265, 17119322, 23344530, 25678983, 42798305, 51357966, 85596610, 128394915, 256789830]

約数ペア:

[(1, 256789830), (2, 128394915), (3, 85596610), (5, 51357966), (6, 42798305), (10, 25678983), (11, 23344530), (15, 17119322), (22, 11672265), (30, 8559661), (33, 7781510), (55, 4668906), (59, 4352370), (66, 3890755), (109, 2355870), (110, 2334453), (118, 2176185), (121, 2122230), (165, 1556302), (177, 1450790), (218, 1177935), (242, 1061115), (295, 870474), (327, 785290), (330, 778151), (354, 725395), (363, 707410), (545, 471174), (590, 435237), (605, 424446), (649, 395670), (654, 392645), (726, 353705), (885, 290158), (1090, 235587), (1199, 214170), (1210, 212223), (1298, 197835), (1331, 192930), (1635, 157058), (1770, 145079), (1815, 141482), (1947, 131890), (2398, 107085), (2662, 96465), (3245, 79134), (3270, 78529), (3597, 71390), (3630, 70741), (3894, 65945), (3993, 64310), (5995, 42834), (6431, 39930), (6490, 39567), (6655, 38586), (7139, 35970), (7194, 35695), (7986, 32155), (9735, 26378), (11990, 21417), (12862, 19965), (13189, 19470), (13310, 19293), (14278, 17985)]