261022320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 240

約数和(自身を含む): 958688640

約数和(自身を除く): 697666320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 104, 117, 120, 130, 144, 156, 158, 180, 195, 208, 234, 237, 240, 260, 312, 316, 353, 360, 390, 395, 468, 474, 520, 585, 624, 632, 706, 711, 720, 780, 790, 936, 948, 1027, 1040, 1059, 1170, 1185, 1264, 1412, 1422, 1560, 1580, 1765, 1872, 1896, 2054, 2118, 2340, 2370, 2824, 2844, 3081, 3120, 3160, 3177, 3530, 3555, 3792, 4108, 4236, 4589, 4680, 4740, 5135, 5295, 5648, 5688, 6162, 6320, 6354, 7060, 7110, 8216, 8472, 9178, 9243, 9360, 9480, 10270, 10590, 11376, 12324, 12708, 13767, 14120, 14220, 15405, 15885, 16432, 16944, 18356, 18486, 18960, 20540, 21180, 22945, 24648, 25416, 27534, 27887, 28240, 28440, 30810, 31770, 36712, 36972, 41080, 41301, 42360, 45890, 46215, 49296, 50832, 55068, 55774, 56880, 61620, 63540, 68835, 73424, 73944, 82160, 82602, 83661, 84720, 91780, 92430, 110136, 111548, 123240, 127080, 137670, 139435, 147888, 165204, 167322, 183560, 184860, 206505, 220272, 223096, 246480, 250983, 254160, 275340, 278870, 330408, 334644, 362531, 367120, 369720, 413010, 418305, 446192, 501966, 550680, 557740, 660816, 669288, 725062, 739440, 826020, 836610, 1003932, 1087593, 1101360, 1115480, 1254915, 1338576, 1450124, 1652040, 1673220, 1812655, 2007864, 2175186, 2230960, 2509830, 2900248, 3262779, 3304080, 3346440, 3625310, 4015728, 4350372, 5019660, 5437965, 5800496, 6525558, 6692880, 7250620, 8700744, 10039320, 10875930, 13051116, 14501240, 16313895, 17401488, 20078640, 21751860, 26102232, 29002480, 32627790, 43503720, 52204464, 65255580, 87007440, 130511160, 261022320]

約数ペア:

[(1, 261022320), (2, 130511160), (3, 87007440), (4, 65255580), (5, 52204464), (6, 43503720), (8, 32627790), (9, 29002480), (10, 26102232), (12, 21751860), (13, 20078640), (15, 17401488), (16, 16313895), (18, 14501240), (20, 13051116), (24, 10875930), (26, 10039320), (30, 8700744), (36, 7250620), (39, 6692880), (40, 6525558), (45, 5800496), (48, 5437965), (52, 5019660), (60, 4350372), (65, 4015728), (72, 3625310), (78, 3346440), (79, 3304080), (80, 3262779), (90, 2900248), (104, 2509830), (117, 2230960), (120, 2175186), (130, 2007864), (144, 1812655), (156, 1673220), (158, 1652040), (180, 1450124), (195, 1338576), (208, 1254915), (234, 1115480), (237, 1101360), (240, 1087593), (260, 1003932), (312, 836610), (316, 826020), (353, 739440), (360, 725062), (390, 669288), (395, 660816), (468, 557740), (474, 550680), (520, 501966), (585, 446192), (624, 418305), (632, 413010), (706, 369720), (711, 367120), (720, 362531), (780, 334644), (790, 330408), (936, 278870), (948, 275340), (1027, 254160), (1040, 250983), (1059, 246480), (1170, 223096), (1185, 220272), (1264, 206505), (1412, 184860), (1422, 183560), (1560, 167322), (1580, 165204), (1765, 147888), (1872, 139435), (1896, 137670), (2054, 127080), (2118, 123240), (2340, 111548), (2370, 110136), (2824, 92430), (2844, 91780), (3081, 84720), (3120, 83661), (3160, 82602), (3177, 82160), (3530, 73944), (3555, 73424), (3792, 68835), (4108, 63540), (4236, 61620), (4589, 56880), (4680, 55774), (4740, 55068), (5135, 50832), (5295, 49296), (5648, 46215), (5688, 45890), (6162, 42360), (6320, 41301), (6354, 41080), (7060, 36972), (7110, 36712), (8216, 31770), (8472, 30810), (9178, 28440), (9243, 28240), (9360, 27887), (9480, 27534), (10270, 25416), (10590, 24648), (11376, 22945), (12324, 21180), (12708, 20540), (13767, 18960), (14120, 18486), (14220, 18356), (15405, 16944), (15885, 16432)]