20131250625

素因数分解:

$3^3\times 5^4\times {\mathrm{523}}^1\times {\mathrm{2281}}^1$

素因数の和:2833

約数の個数: 80

約数和(自身を含む): 37355792320

約数和(自身を除く): 17224541695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 523, 625, 675, 1125, 1569, 1875, 2281, 2615, 3375, 4707, 5625, 6843, 7845, 11405, 13075, 14121, 16875, 20529, 23535, 34215, 39225, 57025, 61587, 65375, 70605, 102645, 117675, 171075, 196125, 285125, 307935, 326875, 353025, 513225, 588375, 855375, 980625, 1192963, 1425625, 1539675, 1765125, 2566125, 2941875, 3578889, 4276875, 5964815, 7698375, 8825625, 10736667, 12830625, 17894445, 29824075, 32210001, 38491875, 53683335, 89472225, 149120375, 161050005, 268416675, 447361125, 745601875, 805250025, 1342083375, 2236805625, 4026250125, 6710416875, 20131250625]

約数ペア:

[(1, 20131250625), (3, 6710416875), (5, 4026250125), (9, 2236805625), (15, 1342083375), (25, 805250025), (27, 745601875), (45, 447361125), (75, 268416675), (125, 161050005), (135, 149120375), (225, 89472225), (375, 53683335), (523, 38491875), (625, 32210001), (675, 29824075), (1125, 17894445), (1569, 12830625), (1875, 10736667), (2281, 8825625), (2615, 7698375), (3375, 5964815), (4707, 4276875), (5625, 3578889), (6843, 2941875), (7845, 2566125), (11405, 1765125), (13075, 1539675), (14121, 1425625), (16875, 1192963), (20529, 980625), (23535, 855375), (34215, 588375), (39225, 513225), (57025, 353025), (61587, 326875), (65375, 307935), (70605, 285125), (102645, 196125), (117675, 171075)]