78238440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 256

約数和(自身を含む): 304128000

約数和(自身を除く): 225889560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 105, 108, 120, 126, 131, 135, 140, 158, 168, 180, 189, 210, 216, 237, 252, 262, 270, 280, 315, 316, 360, 378, 393, 395, 420, 474, 504, 524, 540, 553, 630, 632, 655, 711, 756, 786, 790, 840, 917, 945, 948, 1048, 1080, 1106, 1179, 1185, 1260, 1310, 1422, 1512, 1572, 1580, 1659, 1834, 1890, 1896, 1965, 2133, 2212, 2358, 2370, 2520, 2620, 2751, 2765, 2844, 3144, 3160, 3318, 3537, 3555, 3668, 3780, 3930, 4266, 4424, 4585, 4716, 4740, 4977, 5240, 5502, 5530, 5688, 5895, 6636, 7074, 7110, 7336, 7560, 7860, 8253, 8295, 8532, 9170, 9432, 9480, 9954, 10349, 10665, 11004, 11060, 11790, 13272, 13755, 14148, 14220, 14931, 15720, 16506, 16590, 17064, 17685, 18340, 19908, 20698, 21330, 22008, 22120, 23580, 24759, 24885, 27510, 28296, 28440, 29862, 31047, 33012, 33180, 35370, 36680, 39816, 41265, 41396, 42660, 47160, 49518, 49770, 51745, 55020, 59724, 62094, 66024, 66360, 70740, 72443, 74655, 82530, 82792, 85320, 93141, 99036, 99540, 103490, 110040, 119448, 123795, 124188, 141480, 144886, 149310, 155235, 165060, 186282, 198072, 199080, 206980, 217329, 247590, 248376, 279423, 289772, 298620, 310470, 330120, 362215, 372564, 413960, 434658, 465705, 495180, 558846, 579544, 597240, 620940, 651987, 724430, 745128, 869316, 931410, 990360, 1086645, 1117692, 1241880, 1303974, 1397115, 1448860, 1738632, 1862820, 1955961, 2173290, 2235384, 2607948, 2794230, 2897720, 3259935, 3725640, 3911922, 4346580, 5215896, 5588460, 6519870, 7823844, 8693160, 9779805, 11176920, 13039740, 15647688, 19559610, 26079480, 39119220, 78238440]

約数ペア:

[(1, 78238440), (2, 39119220), (3, 26079480), (4, 19559610), (5, 15647688), (6, 13039740), (7, 11176920), (8, 9779805), (9, 8693160), (10, 7823844), (12, 6519870), (14, 5588460), (15, 5215896), (18, 4346580), (20, 3911922), (21, 3725640), (24, 3259935), (27, 2897720), (28, 2794230), (30, 2607948), (35, 2235384), (36, 2173290), (40, 1955961), (42, 1862820), (45, 1738632), (54, 1448860), (56, 1397115), (60, 1303974), (63, 1241880), (70, 1117692), (72, 1086645), (79, 990360), (84, 931410), (90, 869316), (105, 745128), (108, 724430), (120, 651987), (126, 620940), (131, 597240), (135, 579544), (140, 558846), (158, 495180), (168, 465705), (180, 434658), (189, 413960), (210, 372564), (216, 362215), (237, 330120), (252, 310470), (262, 298620), (270, 289772), (280, 279423), (315, 248376), (316, 247590), (360, 217329), (378, 206980), (393, 199080), (395, 198072), (420, 186282), (474, 165060), (504, 155235), (524, 149310), (540, 144886), (553, 141480), (630, 124188), (632, 123795), (655, 119448), (711, 110040), (756, 103490), (786, 99540), (790, 99036), (840, 93141), (917, 85320), (945, 82792), (948, 82530), (1048, 74655), (1080, 72443), (1106, 70740), (1179, 66360), (1185, 66024), (1260, 62094), (1310, 59724), (1422, 55020), (1512, 51745), (1572, 49770), (1580, 49518), (1659, 47160), (1834, 42660), (1890, 41396), (1896, 41265), (1965, 39816), (2133, 36680), (2212, 35370), (2358, 33180), (2370, 33012), (2520, 31047), (2620, 29862), (2751, 28440), (2765, 28296), (2844, 27510), (3144, 24885), (3160, 24759), (3318, 23580), (3537, 22120), (3555, 22008), (3668, 21330), (3780, 20698), (3930, 19908), (4266, 18340), (4424, 17685), (4585, 17064), (4716, 16590), (4740, 16506), (4977, 15720), (5240, 14931), (5502, 14220), (5530, 14148), (5688, 13755), (5895, 13272), (6636, 11790), (7074, 11060), (7110, 11004), (7336, 10665), (7560, 10349), (7860, 9954), (8253, 9480), (8295, 9432), (8532, 9170)]