647527140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276721}}^1$

素因数の和:276749

約数の個数: 72

約数和(自身を含む): 2115262968

約数和(自身を除く): 1467735828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 276721, 553442, 830163, 1106884, 1383605, 1660326, 2490489, 2767210, 3320652, 3597373, 4150815, 4980978, 5534420, 7194746, 8301630, 9961956, 10792119, 12452445, 14389492, 16603260, 17986865, 21584238, 24904890, 32376357, 35973730, 43168476, 49809780, 53960595, 64752714, 71947460, 107921190, 129505428, 161881785, 215842380, 323763570, 647527140]

約数ペア:

[(1, 647527140), (2, 323763570), (3, 215842380), (4, 161881785), (5, 129505428), (6, 107921190), (9, 71947460), (10, 64752714), (12, 53960595), (13, 49809780), (15, 43168476), (18, 35973730), (20, 32376357), (26, 24904890), (30, 21584238), (36, 17986865), (39, 16603260), (45, 14389492), (52, 12452445), (60, 10792119), (65, 9961956), (78, 8301630), (90, 7194746), (117, 5534420), (130, 4980978), (156, 4150815), (180, 3597373), (195, 3320652), (234, 2767210), (260, 2490489), (390, 1660326), (468, 1383605), (585, 1106884), (780, 830163), (1170, 553442), (2340, 276721)]