140990720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 375155760

約数和(自身を除く): 234165040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 229, 256, 260, 296, 320, 370, 416, 458, 481, 520, 592, 640, 740, 832, 916, 962, 1040, 1145, 1184, 1280, 1480, 1664, 1832, 1924, 2080, 2290, 2368, 2405, 2960, 2977, 3328, 3664, 3848, 4160, 4580, 4736, 4810, 5920, 5954, 7328, 7696, 8320, 8473, 9160, 9472, 9620, 11840, 11908, 14656, 14885, 15392, 16640, 16946, 18320, 19240, 23680, 23816, 29312, 29770, 30784, 33892, 36640, 38480, 42365, 47360, 47632, 58624, 59540, 61568, 67784, 73280, 76960, 84730, 95264, 110149, 119080, 123136, 135568, 146560, 153920, 169460, 190528, 220298, 238160, 271136, 293120, 307840, 338920, 381056, 440596, 476320, 542272, 550745, 615680, 677840, 762112, 881192, 952640, 1084544, 1101490, 1355680, 1762384, 1905280, 2169088, 2202980, 2711360, 3524768, 3810560, 4405960, 5422720, 7049536, 8811920, 10845440, 14099072, 17623840, 28198144, 35247680, 70495360, 140990720]

約数ペア:

[(1, 140990720), (2, 70495360), (4, 35247680), (5, 28198144), (8, 17623840), (10, 14099072), (13, 10845440), (16, 8811920), (20, 7049536), (26, 5422720), (32, 4405960), (37, 3810560), (40, 3524768), (52, 2711360), (64, 2202980), (65, 2169088), (74, 1905280), (80, 1762384), (104, 1355680), (128, 1101490), (130, 1084544), (148, 952640), (160, 881192), (185, 762112), (208, 677840), (229, 615680), (256, 550745), (260, 542272), (296, 476320), (320, 440596), (370, 381056), (416, 338920), (458, 307840), (481, 293120), (520, 271136), (592, 238160), (640, 220298), (740, 190528), (832, 169460), (916, 153920), (962, 146560), (1040, 135568), (1145, 123136), (1184, 119080), (1280, 110149), (1480, 95264), (1664, 84730), (1832, 76960), (1924, 73280), (2080, 67784), (2290, 61568), (2368, 59540), (2405, 58624), (2960, 47632), (2977, 47360), (3328, 42365), (3664, 38480), (3848, 36640), (4160, 33892), (4580, 30784), (4736, 29770), (4810, 29312), (5920, 23816), (5954, 23680), (7328, 19240), (7696, 18320), (8320, 16946), (8473, 16640), (9160, 15392), (9472, 14885), (9620, 14656), (11840, 11908)]