81560250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 232277760

約数和(自身を除く): 150717510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 43, 45, 50, 54, 75, 86, 90, 125, 129, 135, 150, 215, 225, 250, 258, 270, 281, 375, 387, 430, 450, 562, 645, 675, 750, 774, 843, 1075, 1125, 1161, 1290, 1350, 1405, 1686, 1935, 2150, 2250, 2322, 2529, 2810, 3225, 3375, 3870, 4215, 5058, 5375, 5805, 6450, 6750, 7025, 7587, 8430, 9675, 10750, 11610, 12083, 12645, 14050, 15174, 16125, 19350, 21075, 24166, 25290, 29025, 32250, 35125, 36249, 37935, 42150, 48375, 58050, 60415, 63225, 70250, 72498, 75870, 96750, 105375, 108747, 120830, 126450, 145125, 181245, 189675, 210750, 217494, 290250, 302075, 316125, 326241, 362490, 379350, 543735, 604150, 632250, 652482, 906225, 948375, 1087470, 1510375, 1631205, 1812450, 1896750, 2718675, 3020750, 3262410, 4531125, 5437350, 8156025, 9062250, 13593375, 16312050, 27186750, 40780125, 81560250]

約数ペア:

[(1, 81560250), (2, 40780125), (3, 27186750), (5, 16312050), (6, 13593375), (9, 9062250), (10, 8156025), (15, 5437350), (18, 4531125), (25, 3262410), (27, 3020750), (30, 2718675), (43, 1896750), (45, 1812450), (50, 1631205), (54, 1510375), (75, 1087470), (86, 948375), (90, 906225), (125, 652482), (129, 632250), (135, 604150), (150, 543735), (215, 379350), (225, 362490), (250, 326241), (258, 316125), (270, 302075), (281, 290250), (375, 217494), (387, 210750), (430, 189675), (450, 181245), (562, 145125), (645, 126450), (675, 120830), (750, 108747), (774, 105375), (843, 96750), (1075, 75870), (1125, 72498), (1161, 70250), (1290, 63225), (1350, 60415), (1405, 58050), (1686, 48375), (1935, 42150), (2150, 37935), (2250, 36249), (2322, 35125), (2529, 32250), (2810, 29025), (3225, 25290), (3375, 24166), (3870, 21075), (4215, 19350), (5058, 16125), (5375, 15174), (5805, 14050), (6450, 12645), (6750, 12083), (7025, 11610), (7587, 10750), (8430, 9675)]