247926640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 676831680

約数和(自身を除く): 428905040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 136, 148, 170, 185, 208, 221, 260, 272, 296, 340, 370, 379, 442, 481, 520, 592, 629, 680, 740, 758, 884, 962, 1040, 1105, 1258, 1360, 1480, 1516, 1768, 1895, 1924, 2210, 2405, 2516, 2960, 3032, 3145, 3536, 3790, 3848, 4420, 4810, 4927, 5032, 6064, 6290, 6443, 7580, 7696, 8177, 8840, 9620, 9854, 10064, 12580, 12886, 14023, 15160, 16354, 17680, 19240, 19708, 24635, 25160, 25772, 28046, 30320, 32215, 32708, 38480, 39416, 40885, 49270, 50320, 51544, 56092, 64430, 65416, 70115, 78832, 81770, 83759, 98540, 103088, 112184, 128860, 130832, 140230, 163540, 167518, 182299, 197080, 224368, 238391, 257720, 280460, 327080, 335036, 364598, 394160, 418795, 476782, 515440, 560920, 654160, 670072, 729196, 837590, 911495, 953564, 1121840, 1191955, 1340144, 1458392, 1675180, 1822990, 1907128, 2383910, 2916784, 3099083, 3350360, 3645980, 3814256, 4767820, 6198166, 6700720, 7291960, 9535640, 12396332, 14583920, 15495415, 19071280, 24792664, 30990830, 49585328, 61981660, 123963320, 247926640]

約数ペア:

[(1, 247926640), (2, 123963320), (4, 61981660), (5, 49585328), (8, 30990830), (10, 24792664), (13, 19071280), (16, 15495415), (17, 14583920), (20, 12396332), (26, 9535640), (34, 7291960), (37, 6700720), (40, 6198166), (52, 4767820), (65, 3814256), (68, 3645980), (74, 3350360), (80, 3099083), (85, 2916784), (104, 2383910), (130, 1907128), (136, 1822990), (148, 1675180), (170, 1458392), (185, 1340144), (208, 1191955), (221, 1121840), (260, 953564), (272, 911495), (296, 837590), (340, 729196), (370, 670072), (379, 654160), (442, 560920), (481, 515440), (520, 476782), (592, 418795), (629, 394160), (680, 364598), (740, 335036), (758, 327080), (884, 280460), (962, 257720), (1040, 238391), (1105, 224368), (1258, 197080), (1360, 182299), (1480, 167518), (1516, 163540), (1768, 140230), (1895, 130832), (1924, 128860), (2210, 112184), (2405, 103088), (2516, 98540), (2960, 83759), (3032, 81770), (3145, 78832), (3536, 70115), (3790, 65416), (3848, 64430), (4420, 56092), (4810, 51544), (4927, 50320), (5032, 49270), (6064, 40885), (6290, 39416), (6443, 38480), (7580, 32708), (7696, 32215), (8177, 30320), (8840, 28046), (9620, 25772), (9854, 25160), (10064, 24635), (12580, 19708), (12886, 19240), (14023, 17680), (15160, 16354)]