278992512

素因数分解:

$2^7\times 3^4\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 160

約数和(自身を含む): 844192800

約数和(自身を除く): 565200288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 81, 96, 108, 128, 142, 144, 162, 192, 213, 216, 284, 288, 324, 379, 384, 426, 432, 568, 576, 639, 648, 758, 852, 864, 1136, 1137, 1152, 1278, 1296, 1516, 1704, 1728, 1917, 2272, 2274, 2556, 2592, 3032, 3408, 3411, 3456, 3834, 4544, 4548, 5112, 5184, 5751, 6064, 6816, 6822, 7668, 9088, 9096, 10224, 10233, 10368, 11502, 12128, 13632, 13644, 15336, 18192, 20448, 20466, 23004, 24256, 26909, 27264, 27288, 30672, 30699, 36384, 40896, 40932, 46008, 48512, 53818, 54576, 61344, 61398, 72768, 80727, 81792, 81864, 92016, 107636, 109152, 122688, 122796, 145536, 161454, 163728, 184032, 215272, 218304, 242181, 245376, 245592, 322908, 327456, 368064, 430544, 436608, 484362, 491184, 645816, 654912, 726543, 736128, 861088, 968724, 982368, 1291632, 1309824, 1453086, 1722176, 1937448, 1964736, 2179629, 2583264, 2906172, 3444352, 3874896, 3929472, 4359258, 5166528, 5812344, 7749792, 8718516, 10333056, 11624688, 15499584, 17437032, 23249376, 30999168, 34874064, 46498752, 69748128, 92997504, 139496256, 278992512]

約数ペア:

[(1, 278992512), (2, 139496256), (3, 92997504), (4, 69748128), (6, 46498752), (8, 34874064), (9, 30999168), (12, 23249376), (16, 17437032), (18, 15499584), (24, 11624688), (27, 10333056), (32, 8718516), (36, 7749792), (48, 5812344), (54, 5166528), (64, 4359258), (71, 3929472), (72, 3874896), (81, 3444352), (96, 2906172), (108, 2583264), (128, 2179629), (142, 1964736), (144, 1937448), (162, 1722176), (192, 1453086), (213, 1309824), (216, 1291632), (284, 982368), (288, 968724), (324, 861088), (379, 736128), (384, 726543), (426, 654912), (432, 645816), (568, 491184), (576, 484362), (639, 436608), (648, 430544), (758, 368064), (852, 327456), (864, 322908), (1136, 245592), (1137, 245376), (1152, 242181), (1278, 218304), (1296, 215272), (1516, 184032), (1704, 163728), (1728, 161454), (1917, 145536), (2272, 122796), (2274, 122688), (2556, 109152), (2592, 107636), (3032, 92016), (3408, 81864), (3411, 81792), (3456, 80727), (3834, 72768), (4544, 61398), (4548, 61344), (5112, 54576), (5184, 53818), (5751, 48512), (6064, 46008), (6816, 40932), (6822, 40896), (7668, 36384), (9088, 30699), (9096, 30672), (10224, 27288), (10233, 27264), (10368, 26909), (11502, 24256), (12128, 23004), (13632, 20466), (13644, 20448), (15336, 18192)]