31906440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1004

約数の個数: 128

約数和(自身を含む): 109900800

約数和(自身を除く): 77994360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 953, 1080, 1116, 1240, 1395, 1674, 1860, 1906, 2232, 2790, 2859, 3348, 3720, 3812, 4185, 4765, 5580, 5718, 6696, 7624, 8370, 8577, 9530, 11160, 11436, 14295, 16740, 17154, 19060, 22872, 25731, 28590, 29543, 33480, 34308, 38120, 42885, 51462, 57180, 59086, 68616, 85770, 88629, 102924, 114360, 118172, 128655, 147715, 171540, 177258, 205848, 236344, 257310, 265887, 295430, 343080, 354516, 443145, 514620, 531774, 590860, 709032, 797661, 886290, 1029240, 1063548, 1181720, 1329435, 1595322, 1772580, 2127096, 2658870, 3190644, 3545160, 3988305, 5317740, 6381288, 7976610, 10635480, 15953220, 31906440]

約数ペア:

[(1, 31906440), (2, 15953220), (3, 10635480), (4, 7976610), (5, 6381288), (6, 5317740), (8, 3988305), (9, 3545160), (10, 3190644), (12, 2658870), (15, 2127096), (18, 1772580), (20, 1595322), (24, 1329435), (27, 1181720), (30, 1063548), (31, 1029240), (36, 886290), (40, 797661), (45, 709032), (54, 590860), (60, 531774), (62, 514620), (72, 443145), (90, 354516), (93, 343080), (108, 295430), (120, 265887), (124, 257310), (135, 236344), (155, 205848), (180, 177258), (186, 171540), (216, 147715), (248, 128655), (270, 118172), (279, 114360), (310, 102924), (360, 88629), (372, 85770), (465, 68616), (540, 59086), (558, 57180), (620, 51462), (744, 42885), (837, 38120), (930, 34308), (953, 33480), (1080, 29543), (1116, 28590), (1240, 25731), (1395, 22872), (1674, 19060), (1860, 17154), (1906, 16740), (2232, 14295), (2790, 11436), (2859, 11160), (3348, 9530), (3720, 8577), (3812, 8370), (4185, 7624), (4765, 6696), (5580, 5718)]