78694980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 289578240

約数和(自身を除く): 210883260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 49, 52, 58, 60, 65, 70, 71, 78, 84, 87, 91, 98, 105, 116, 130, 140, 142, 145, 147, 156, 174, 182, 195, 196, 203, 210, 213, 245, 260, 273, 284, 290, 294, 348, 355, 364, 377, 390, 406, 420, 426, 435, 455, 490, 497, 546, 580, 588, 609, 637, 710, 735, 754, 780, 812, 852, 870, 910, 923, 980, 994, 1015, 1065, 1092, 1131, 1218, 1274, 1365, 1420, 1421, 1470, 1491, 1508, 1740, 1820, 1846, 1885, 1911, 1988, 2030, 2059, 2130, 2262, 2436, 2485, 2548, 2639, 2730, 2769, 2842, 2940, 2982, 3045, 3185, 3479, 3692, 3770, 3822, 4060, 4118, 4260, 4263, 4524, 4615, 4970, 5278, 5460, 5538, 5655, 5684, 5964, 6090, 6177, 6370, 6461, 6958, 7105, 7455, 7540, 7644, 7917, 8236, 8526, 9230, 9555, 9940, 10295, 10437, 10556, 11076, 11310, 12180, 12354, 12740, 12922, 13195, 13845, 13916, 14210, 14413, 14910, 15834, 17052, 17395, 18460, 18473, 19110, 19383, 20590, 20874, 21315, 22620, 24708, 25844, 26390, 26767, 27690, 28420, 28826, 29820, 30885, 31668, 32305, 34790, 36946, 38220, 38766, 39585, 41180, 41748, 42630, 43239, 45227, 52185, 52780, 53534, 55380, 55419, 57652, 61770, 64610, 69580, 72065, 73892, 77532, 79170, 80301, 85260, 86478, 90454, 92365, 96915, 100891, 104370, 107068, 110838, 123540, 129220, 133835, 135681, 144130, 158340, 160602, 172956, 180908, 184730, 187369, 193830, 201782, 208740, 216195, 221676, 226135, 267670, 271362, 277095, 288260, 302673, 321204, 369460, 374738, 387660, 401505, 403564, 432390, 452270, 504455, 535340, 542724, 554190, 562107, 605346, 678405, 749476, 803010, 864780, 904540, 936845, 1008910, 1108380, 1124214, 1210692, 1311583, 1356810, 1513365, 1606020, 1873690, 2017820, 2248428, 2623166, 2713620, 2810535, 3026730, 3747380, 3934749, 5246332, 5621070, 6053460, 6557915, 7869498, 11242140, 13115830, 15738996, 19673745, 26231660, 39347490, 78694980]

約数ペア:

[(1, 78694980), (2, 39347490), (3, 26231660), (4, 19673745), (5, 15738996), (6, 13115830), (7, 11242140), (10, 7869498), (12, 6557915), (13, 6053460), (14, 5621070), (15, 5246332), (20, 3934749), (21, 3747380), (26, 3026730), (28, 2810535), (29, 2713620), (30, 2623166), (35, 2248428), (39, 2017820), (42, 1873690), (49, 1606020), (52, 1513365), (58, 1356810), (60, 1311583), (65, 1210692), (70, 1124214), (71, 1108380), (78, 1008910), (84, 936845), (87, 904540), (91, 864780), (98, 803010), (105, 749476), (116, 678405), (130, 605346), (140, 562107), (142, 554190), (145, 542724), (147, 535340), (156, 504455), (174, 452270), (182, 432390), (195, 403564), (196, 401505), (203, 387660), (210, 374738), (213, 369460), (245, 321204), (260, 302673), (273, 288260), (284, 277095), (290, 271362), (294, 267670), (348, 226135), (355, 221676), (364, 216195), (377, 208740), (390, 201782), (406, 193830), (420, 187369), (426, 184730), (435, 180908), (455, 172956), (490, 160602), (497, 158340), (546, 144130), (580, 135681), (588, 133835), (609, 129220), (637, 123540), (710, 110838), (735, 107068), (754, 104370), (780, 100891), (812, 96915), (852, 92365), (870, 90454), (910, 86478), (923, 85260), (980, 80301), (994, 79170), (1015, 77532), (1065, 73892), (1092, 72065), (1131, 69580), (1218, 64610), (1274, 61770), (1365, 57652), (1420, 55419), (1421, 55380), (1470, 53534), (1491, 52780), (1508, 52185), (1740, 45227), (1820, 43239), (1846, 42630), (1885, 41748), (1911, 41180), (1988, 39585), (2030, 38766), (2059, 38220), (2130, 36946), (2262, 34790), (2436, 32305), (2485, 31668), (2548, 30885), (2639, 29820), (2730, 28826), (2769, 28420), (2842, 27690), (2940, 26767), (2982, 26390), (3045, 25844), (3185, 24708), (3479, 22620), (3692, 21315), (3770, 20874), (3822, 20590), (4060, 19383), (4118, 19110), (4260, 18473), (4263, 18460), (4524, 17395), (4615, 17052), (4970, 15834), (5278, 14910), (5460, 14413), (5538, 14210), (5655, 13916), (5684, 13845), (5964, 13195), (6090, 12922), (6177, 12740), (6370, 12354), (6461, 12180), (6958, 11310), (7105, 11076), (7455, 10556), (7540, 10437), (7644, 10295), (7917, 9940), (8236, 9555), (8526, 9230)]