2018930625

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 120

約数和(自身を含む): 3956258592

約数和(自身を除く): 1937327967

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 125, 129, 153, 215, 225, 255, 375, 387, 425, 491, 625, 645, 731, 765, 1075, 1125, 1275, 1473, 1875, 1935, 2125, 2193, 2455, 3225, 3655, 3825, 4419, 5375, 5625, 6375, 6579, 7365, 8347, 9675, 10625, 10965, 12275, 16125, 18275, 19125, 21113, 22095, 25041, 26875, 31875, 32895, 36825, 41735, 48375, 54825, 61375, 63339, 75123, 80625, 91375, 95625, 105565, 110475, 125205, 164475, 184125, 190017, 208675, 241875, 274125, 306875, 316695, 358921, 375615, 456875, 527825, 552375, 626025, 822375, 920625, 950085, 1043375, 1076763, 1370625, 1583475, 1794605, 1878075, 2639125, 2761875, 3130125, 3230289, 4111875, 4750425, 5216875, 5383815, 7917375, 8973025, 9390375, 13195625, 15650625, 16151445, 23752125, 26919075, 39586875, 44865125, 46951875, 80757225, 118760625, 134595375, 224325625, 403786125, 672976875, 2018930625]

約数ペア:

[(1, 2018930625), (3, 672976875), (5, 403786125), (9, 224325625), (15, 134595375), (17, 118760625), (25, 80757225), (43, 46951875), (45, 44865125), (51, 39586875), (75, 26919075), (85, 23752125), (125, 16151445), (129, 15650625), (153, 13195625), (215, 9390375), (225, 8973025), (255, 7917375), (375, 5383815), (387, 5216875), (425, 4750425), (491, 4111875), (625, 3230289), (645, 3130125), (731, 2761875), (765, 2639125), (1075, 1878075), (1125, 1794605), (1275, 1583475), (1473, 1370625), (1875, 1076763), (1935, 1043375), (2125, 950085), (2193, 920625), (2455, 822375), (3225, 626025), (3655, 552375), (3825, 527825), (4419, 456875), (5375, 375615), (5625, 358921), (6375, 316695), (6579, 306875), (7365, 274125), (8347, 241875), (9675, 208675), (10625, 190017), (10965, 184125), (12275, 164475), (16125, 125205), (18275, 110475), (19125, 105565), (21113, 95625), (22095, 91375), (25041, 80625), (26875, 75123), (31875, 63339), (32895, 61375), (36825, 54825), (41735, 48375)]