31867020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 102735360

約数和(自身を除く): 70868340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 83, 90, 108, 135, 158, 162, 166, 180, 237, 243, 249, 270, 316, 324, 332, 395, 405, 415, 474, 486, 498, 540, 711, 747, 790, 810, 830, 948, 972, 996, 1185, 1215, 1245, 1422, 1494, 1580, 1620, 1660, 2133, 2241, 2370, 2430, 2490, 2844, 2988, 3555, 3735, 4266, 4482, 4740, 4860, 4980, 6399, 6557, 6723, 7110, 7470, 8532, 8964, 10665, 11205, 12798, 13114, 13446, 14220, 14940, 19197, 19671, 20169, 21330, 22410, 25596, 26228, 26892, 31995, 32785, 33615, 38394, 39342, 40338, 42660, 44820, 59013, 63990, 65570, 67230, 76788, 78684, 80676, 95985, 98355, 100845, 118026, 127980, 131140, 134460, 177039, 191970, 196710, 201690, 236052, 295065, 354078, 383940, 393420, 403380, 531117, 590130, 708156, 885195, 1062234, 1180260, 1593351, 1770390, 2124468, 2655585, 3186702, 3540780, 5311170, 6373404, 7966755, 10622340, 15933510, 31867020]

約数ペア:

[(1, 31867020), (2, 15933510), (3, 10622340), (4, 7966755), (5, 6373404), (6, 5311170), (9, 3540780), (10, 3186702), (12, 2655585), (15, 2124468), (18, 1770390), (20, 1593351), (27, 1180260), (30, 1062234), (36, 885195), (45, 708156), (54, 590130), (60, 531117), (79, 403380), (81, 393420), (83, 383940), (90, 354078), (108, 295065), (135, 236052), (158, 201690), (162, 196710), (166, 191970), (180, 177039), (237, 134460), (243, 131140), (249, 127980), (270, 118026), (316, 100845), (324, 98355), (332, 95985), (395, 80676), (405, 78684), (415, 76788), (474, 67230), (486, 65570), (498, 63990), (540, 59013), (711, 44820), (747, 42660), (790, 40338), (810, 39342), (830, 38394), (948, 33615), (972, 32785), (996, 31995), (1185, 26892), (1215, 26228), (1245, 25596), (1422, 22410), (1494, 21330), (1580, 20169), (1620, 19671), (1660, 19197), (2133, 14940), (2241, 14220), (2370, 13446), (2430, 13114), (2490, 12798), (2844, 11205), (2988, 10665), (3555, 8964), (3735, 8532), (4266, 7470), (4482, 7110), (4740, 6723), (4860, 6557), (4980, 6399)]