31180140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1053

約数の個数: 120

約数和(自身を含む): 103062960

約数和(自身を除く): 71882820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1013, 1026, 1140, 1539, 1620, 1710, 2026, 2052, 2565, 3039, 3078, 3420, 4052, 5065, 5130, 6078, 6156, 7695, 9117, 10130, 10260, 12156, 15195, 15390, 18234, 19247, 20260, 27351, 30390, 30780, 36468, 38494, 45585, 54702, 57741, 60780, 76988, 82053, 91170, 96235, 109404, 115482, 136755, 164106, 173223, 182340, 192470, 230964, 273510, 288705, 328212, 346446, 384940, 410265, 519669, 547020, 577410, 692892, 820530, 866115, 1039338, 1154820, 1559007, 1641060, 1732230, 2078676, 2598345, 3118014, 3464460, 5196690, 6236028, 7795035, 10393380, 15590070, 31180140]

約数ペア:

[(1, 31180140), (2, 15590070), (3, 10393380), (4, 7795035), (5, 6236028), (6, 5196690), (9, 3464460), (10, 3118014), (12, 2598345), (15, 2078676), (18, 1732230), (19, 1641060), (20, 1559007), (27, 1154820), (30, 1039338), (36, 866115), (38, 820530), (45, 692892), (54, 577410), (57, 547020), (60, 519669), (76, 410265), (81, 384940), (90, 346446), (95, 328212), (108, 288705), (114, 273510), (135, 230964), (162, 192470), (171, 182340), (180, 173223), (190, 164106), (228, 136755), (270, 115482), (285, 109404), (324, 96235), (342, 91170), (380, 82053), (405, 76988), (513, 60780), (540, 57741), (570, 54702), (684, 45585), (810, 38494), (855, 36468), (1013, 30780), (1026, 30390), (1140, 27351), (1539, 20260), (1620, 19247), (1710, 18234), (2026, 15390), (2052, 15195), (2565, 12156), (3039, 10260), (3078, 10130), (3420, 9117), (4052, 7695), (5065, 6156), (5130, 6078)]