31971240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{4229}}^1$

素因数の和:4256

約数の個数: 128

約数和(自身を含む): 121824000

約数和(自身を除く): 89852760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 4229, 7560, 8458, 12687, 16916, 21145, 25374, 29603, 33832, 38061, 42290, 50748, 59206, 63435, 76122, 84580, 88809, 101496, 114183, 118412, 126870, 148015, 152244, 169160, 177618, 190305, 228366, 236824, 253740, 266427, 296030, 304488, 355236, 380610, 444045, 456732, 507480, 532854, 570915, 592060, 710472, 761220, 799281, 888090, 913464, 1065708, 1141830, 1184120, 1332135, 1522440, 1598562, 1776180, 2131416, 2283660, 2664270, 3197124, 3552360, 3996405, 4567320, 5328540, 6394248, 7992810, 10657080, 15985620, 31971240]

約数ペア:

[(1, 31971240), (2, 15985620), (3, 10657080), (4, 7992810), (5, 6394248), (6, 5328540), (7, 4567320), (8, 3996405), (9, 3552360), (10, 3197124), (12, 2664270), (14, 2283660), (15, 2131416), (18, 1776180), (20, 1598562), (21, 1522440), (24, 1332135), (27, 1184120), (28, 1141830), (30, 1065708), (35, 913464), (36, 888090), (40, 799281), (42, 761220), (45, 710472), (54, 592060), (56, 570915), (60, 532854), (63, 507480), (70, 456732), (72, 444045), (84, 380610), (90, 355236), (105, 304488), (108, 296030), (120, 266427), (126, 253740), (135, 236824), (140, 228366), (168, 190305), (180, 177618), (189, 169160), (210, 152244), (216, 148015), (252, 126870), (270, 118412), (280, 114183), (315, 101496), (360, 88809), (378, 84580), (420, 76122), (504, 63435), (540, 59206), (630, 50748), (756, 42290), (840, 38061), (945, 33832), (1080, 29603), (1260, 25374), (1512, 21145), (1890, 16916), (2520, 12687), (3780, 8458), (4229, 7560)]