31809720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 72699720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 503, 510, 527, 620, 680, 744, 930, 1006, 1020, 1054, 1240, 1509, 1581, 1860, 2012, 2040, 2108, 2515, 2635, 3018, 3162, 3720, 4024, 4216, 5030, 5270, 6036, 6324, 7545, 7905, 8551, 10060, 10540, 12072, 12648, 15090, 15593, 15810, 17102, 20120, 21080, 25653, 30180, 31186, 31620, 34204, 42755, 46779, 51306, 60360, 62372, 63240, 68408, 77965, 85510, 93558, 102612, 124744, 128265, 155930, 171020, 187116, 205224, 233895, 256530, 265081, 311860, 342040, 374232, 467790, 513060, 530162, 623720, 795243, 935580, 1026120, 1060324, 1325405, 1590486, 1871160, 2120648, 2650810, 3180972, 3976215, 5301620, 6361944, 7952430, 10603240, 15904860, 31809720]

約数ペア:

[(1, 31809720), (2, 15904860), (3, 10603240), (4, 7952430), (5, 6361944), (6, 5301620), (8, 3976215), (10, 3180972), (12, 2650810), (15, 2120648), (17, 1871160), (20, 1590486), (24, 1325405), (30, 1060324), (31, 1026120), (34, 935580), (40, 795243), (51, 623720), (60, 530162), (62, 513060), (68, 467790), (85, 374232), (93, 342040), (102, 311860), (120, 265081), (124, 256530), (136, 233895), (155, 205224), (170, 187116), (186, 171020), (204, 155930), (248, 128265), (255, 124744), (310, 102612), (340, 93558), (372, 85510), (408, 77965), (465, 68408), (503, 63240), (510, 62372), (527, 60360), (620, 51306), (680, 46779), (744, 42755), (930, 34204), (1006, 31620), (1020, 31186), (1054, 30180), (1240, 25653), (1509, 21080), (1581, 20120), (1860, 17102), (2012, 15810), (2040, 15593), (2108, 15090), (2515, 12648), (2635, 12072), (3018, 10540), (3162, 10060), (3720, 8551), (4024, 7905), (4216, 7545), (5030, 6324), (5270, 6036)]