31399680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 288

約数和(自身を含む): 117440064

約数和(自身を除く): 86040384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 37, 39, 40, 48, 51, 52, 60, 64, 65, 68, 74, 78, 80, 85, 96, 102, 104, 111, 120, 128, 130, 136, 148, 156, 160, 170, 185, 192, 195, 204, 208, 221, 222, 240, 255, 256, 260, 272, 296, 312, 320, 340, 370, 384, 390, 408, 416, 442, 444, 480, 481, 510, 520, 544, 555, 592, 624, 629, 640, 663, 680, 740, 768, 780, 816, 832, 884, 888, 960, 962, 1020, 1040, 1088, 1105, 1110, 1184, 1248, 1258, 1280, 1326, 1360, 1443, 1480, 1560, 1632, 1664, 1768, 1776, 1887, 1920, 1924, 2040, 2080, 2176, 2210, 2220, 2368, 2405, 2496, 2516, 2652, 2720, 2886, 2960, 3120, 3145, 3264, 3315, 3328, 3536, 3552, 3774, 3840, 3848, 4080, 4160, 4352, 4420, 4440, 4736, 4810, 4992, 5032, 5304, 5440, 5772, 5920, 6240, 6290, 6528, 6630, 7072, 7104, 7215, 7548, 7696, 8160, 8177, 8320, 8840, 8880, 9435, 9472, 9620, 9984, 10064, 10608, 10880, 11544, 11840, 12480, 12580, 13056, 13260, 14144, 14208, 14430, 15096, 15392, 16320, 16354, 16640, 17680, 17760, 18870, 19240, 20128, 21216, 21760, 23088, 23680, 24531, 24960, 25160, 26520, 28288, 28416, 28860, 30192, 30784, 32640, 32708, 35360, 35520, 37740, 38480, 40256, 40885, 42432, 46176, 47360, 49062, 49920, 50320, 53040, 56576, 57720, 60384, 61568, 65280, 65416, 70720, 71040, 75480, 76960, 80512, 81770, 84864, 92352, 98124, 100640, 106080, 115440, 120768, 122655, 123136, 130832, 141440, 142080, 150960, 153920, 161024, 163540, 169728, 184704, 196248, 201280, 212160, 230880, 241536, 245310, 261664, 282880, 301920, 307840, 327080, 369408, 392496, 402560, 424320, 461760, 483072, 490620, 523328, 603840, 615680, 654160, 784992, 805120, 848640, 923520, 981240, 1046656, 1207680, 1308320, 1569984, 1847040, 1962480, 2093312, 2415360, 2616640, 3139968, 3924960, 5233280, 6279936, 7849920, 10466560, 15699840, 31399680]

約数ペア:

[(1, 31399680), (2, 15699840), (3, 10466560), (4, 7849920), (5, 6279936), (6, 5233280), (8, 3924960), (10, 3139968), (12, 2616640), (13, 2415360), (15, 2093312), (16, 1962480), (17, 1847040), (20, 1569984), (24, 1308320), (26, 1207680), (30, 1046656), (32, 981240), (34, 923520), (37, 848640), (39, 805120), (40, 784992), (48, 654160), (51, 615680), (52, 603840), (60, 523328), (64, 490620), (65, 483072), (68, 461760), (74, 424320), (78, 402560), (80, 392496), (85, 369408), (96, 327080), (102, 307840), (104, 301920), (111, 282880), (120, 261664), (128, 245310), (130, 241536), (136, 230880), (148, 212160), (156, 201280), (160, 196248), (170, 184704), (185, 169728), (192, 163540), (195, 161024), (204, 153920), (208, 150960), (221, 142080), (222, 141440), (240, 130832), (255, 123136), (256, 122655), (260, 120768), (272, 115440), (296, 106080), (312, 100640), (320, 98124), (340, 92352), (370, 84864), (384, 81770), (390, 80512), (408, 76960), (416, 75480), (442, 71040), (444, 70720), (480, 65416), (481, 65280), (510, 61568), (520, 60384), (544, 57720), (555, 56576), (592, 53040), (624, 50320), (629, 49920), (640, 49062), (663, 47360), (680, 46176), (740, 42432), (768, 40885), (780, 40256), (816, 38480), (832, 37740), (884, 35520), (888, 35360), (960, 32708), (962, 32640), (1020, 30784), (1040, 30192), (1088, 28860), (1105, 28416), (1110, 28288), (1184, 26520), (1248, 25160), (1258, 24960), (1280, 24531), (1326, 23680), (1360, 23088), (1443, 21760), (1480, 21216), (1560, 20128), (1632, 19240), (1664, 18870), (1768, 17760), (1776, 17680), (1887, 16640), (1920, 16354), (1924, 16320), (2040, 15392), (2080, 15096), (2176, 14430), (2210, 14208), (2220, 14144), (2368, 13260), (2405, 13056), (2496, 12580), (2516, 12480), (2652, 11840), (2720, 11544), (2886, 10880), (2960, 10608), (3120, 10064), (3145, 9984), (3264, 9620), (3315, 9472), (3328, 9435), (3536, 8880), (3552, 8840), (3774, 8320), (3840, 8177), (3848, 8160), (4080, 7696), (4160, 7548), (4352, 7215), (4420, 7104), (4440, 7072), (4736, 6630), (4810, 6528), (4992, 6290), (5032, 6240), (5304, 5920), (5440, 5772)]