1254223880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{344567}}^1$

素因数の和:344598

約数の個数: 64

約数和(自身を含む): 3473245440

約数和(自身を除く): 2219021560

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, 3640, 344567, 689134, 1378268, 1722835, 2411969, 2756536, 3445670, 4479371, 4823938, 6891340, 8958742, 9647876, 12059845, 13782680, 17917484, 19295752, 22396855, 24119690, 31355597, 35834968, 44793710, 48239380, 62711194, 89587420, 96478760, 125422388, 156777985, 179174840, 250844776, 313555970, 627111940, 1254223880]

約数ペア:

[(1, 1254223880), (2, 627111940), (4, 313555970), (5, 250844776), (7, 179174840), (8, 156777985), (10, 125422388), (13, 96478760), (14, 89587420), (20, 62711194), (26, 48239380), (28, 44793710), (35, 35834968), (40, 31355597), (52, 24119690), (56, 22396855), (65, 19295752), (70, 17917484), (91, 13782680), (104, 12059845), (130, 9647876), (140, 8958742), (182, 6891340), (260, 4823938), (280, 4479371), (364, 3445670), (455, 2756536), (520, 2411969), (728, 1722835), (910, 1378268), (1820, 689134), (3640, 344567)]