678907580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 1634592960

約数和(自身を除く): 955685380

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 269, 340, 442, 538, 571, 884, 1076, 1105, 1142, 1345, 2210, 2284, 2690, 2855, 3497, 4420, 4573, 5380, 5710, 6994, 7423, 9146, 9707, 11420, 13988, 14846, 17485, 18292, 19414, 22865, 29692, 34970, 37115, 38828, 45730, 48535, 59449, 69940, 74230, 91460, 97070, 118898, 126191, 148460, 153599, 194140, 237796, 252382, 297245, 307198, 504764, 594490, 614396, 630955, 767995, 1188980, 1261910, 1535990, 1996787, 2523820, 2611183, 3071980, 3993574, 5222366, 7987148, 9983935, 10444732, 13055915, 19967870, 26111830, 33945379, 39935740, 52223660, 67890758, 135781516, 169726895, 339453790, 678907580]

約数ペア:

[(1, 678907580), (2, 339453790), (4, 169726895), (5, 135781516), (10, 67890758), (13, 52223660), (17, 39935740), (20, 33945379), (26, 26111830), (34, 19967870), (52, 13055915), (65, 10444732), (68, 9983935), (85, 7987148), (130, 5222366), (170, 3993574), (221, 3071980), (260, 2611183), (269, 2523820), (340, 1996787), (442, 1535990), (538, 1261910), (571, 1188980), (884, 767995), (1076, 630955), (1105, 614396), (1142, 594490), (1345, 504764), (2210, 307198), (2284, 297245), (2690, 252382), (2855, 237796), (3497, 194140), (4420, 153599), (4573, 148460), (5380, 126191), (5710, 118898), (6994, 97070), (7423, 91460), (9146, 74230), (9707, 69940), (11420, 59449), (13988, 48535), (14846, 45730), (17485, 38828), (18292, 37115), (19414, 34970), (22865, 29692)]