644327430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8629}}^1$

素因数の和:8789

約数の個数: 64

約数和(自身を含む): 1640390400

約数和(自身を除く): 996062970

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 262, 285, 393, 570, 655, 786, 1310, 1965, 2489, 3930, 4978, 7467, 8629, 12445, 14934, 17258, 24890, 25887, 37335, 43145, 51774, 74670, 86290, 129435, 163951, 258870, 327902, 491853, 819755, 983706, 1130399, 1639510, 2260798, 2459265, 3391197, 4918530, 5651995, 6782394, 11303990, 16955985, 21477581, 33911970, 42955162, 64432743, 107387905, 128865486, 214775810, 322163715, 644327430]

約数ペア:

[(1, 644327430), (2, 322163715), (3, 214775810), (5, 128865486), (6, 107387905), (10, 64432743), (15, 42955162), (19, 33911970), (30, 21477581), (38, 16955985), (57, 11303990), (95, 6782394), (114, 5651995), (131, 4918530), (190, 3391197), (262, 2459265), (285, 2260798), (393, 1639510), (570, 1130399), (655, 983706), (786, 819755), (1310, 491853), (1965, 327902), (2489, 258870), (3930, 163951), (4978, 129435), (7467, 86290), (8629, 74670), (12445, 51774), (14934, 43145), (17258, 37335), (24890, 25887)]