400776480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 288

約数和(自身を含む): 1497000960

約数和(自身を除く): 1096224480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 96, 104, 117, 120, 130, 144, 156, 158, 160, 180, 195, 208, 234, 237, 240, 260, 271, 288, 312, 316, 360, 390, 395, 416, 468, 474, 480, 520, 542, 585, 624, 632, 711, 720, 780, 790, 813, 936, 948, 1027, 1040, 1084, 1170, 1185, 1248, 1264, 1355, 1422, 1440, 1560, 1580, 1626, 1872, 1896, 2054, 2080, 2168, 2340, 2370, 2439, 2528, 2710, 2844, 3081, 3120, 3160, 3252, 3523, 3555, 3744, 3792, 4065, 4108, 4336, 4680, 4740, 4878, 5135, 5420, 5688, 6162, 6240, 6320, 6504, 7046, 7110, 7584, 8130, 8216, 8672, 9243, 9360, 9480, 9756, 10270, 10569, 10840, 11376, 12195, 12324, 12640, 13008, 14092, 14220, 15405, 16260, 16432, 17615, 18486, 18720, 18960, 19512, 20540, 21138, 21409, 21680, 22752, 24390, 24648, 26016, 28184, 28440, 30810, 31707, 32520, 32864, 35230, 36972, 37920, 39024, 41080, 42276, 42818, 43360, 46215, 48780, 49296, 52845, 56368, 56880, 61620, 63414, 64227, 65040, 70460, 73944, 78048, 82160, 84552, 85636, 92430, 97560, 98592, 105690, 107045, 112736, 113760, 123240, 126828, 128454, 130080, 140920, 147888, 158535, 164320, 169104, 171272, 184860, 192681, 195120, 211380, 214090, 246480, 253656, 256908, 278317, 281840, 295776, 317070, 321135, 338208, 342544, 369720, 385362, 390240, 422760, 428180, 492960, 507312, 513816, 556634, 563680, 634140, 642270, 685088, 739440, 770724, 834951, 845520, 856360, 963405, 1014624, 1027632, 1113268, 1268280, 1284540, 1391585, 1478880, 1541448, 1669902, 1691040, 1712720, 1926810, 2055264, 2226536, 2504853, 2536560, 2569080, 2783170, 3082896, 3339804, 3425440, 3853620, 4174755, 4453072, 5009706, 5073120, 5138160, 5566340, 6165792, 6679608, 7707240, 8349510, 8906144, 10019412, 10276320, 11132680, 12524265, 13359216, 15414480, 16699020, 20038824, 22265360, 25048530, 26718432, 30828960, 33398040, 40077648, 44530720, 50097060, 66796080, 80155296, 100194120, 133592160, 200388240, 400776480]

約数ペア:

[(1, 400776480), (2, 200388240), (3, 133592160), (4, 100194120), (5, 80155296), (6, 66796080), (8, 50097060), (9, 44530720), (10, 40077648), (12, 33398040), (13, 30828960), (15, 26718432), (16, 25048530), (18, 22265360), (20, 20038824), (24, 16699020), (26, 15414480), (30, 13359216), (32, 12524265), (36, 11132680), (39, 10276320), (40, 10019412), (45, 8906144), (48, 8349510), (52, 7707240), (60, 6679608), (65, 6165792), (72, 5566340), (78, 5138160), (79, 5073120), (80, 5009706), (90, 4453072), (96, 4174755), (104, 3853620), (117, 3425440), (120, 3339804), (130, 3082896), (144, 2783170), (156, 2569080), (158, 2536560), (160, 2504853), (180, 2226536), (195, 2055264), (208, 1926810), (234, 1712720), (237, 1691040), (240, 1669902), (260, 1541448), (271, 1478880), (288, 1391585), (312, 1284540), (316, 1268280), (360, 1113268), (390, 1027632), (395, 1014624), (416, 963405), (468, 856360), (474, 845520), (480, 834951), (520, 770724), (542, 739440), (585, 685088), (624, 642270), (632, 634140), (711, 563680), (720, 556634), (780, 513816), (790, 507312), (813, 492960), (936, 428180), (948, 422760), (1027, 390240), (1040, 385362), (1084, 369720), (1170, 342544), (1185, 338208), (1248, 321135), (1264, 317070), (1355, 295776), (1422, 281840), (1440, 278317), (1560, 256908), (1580, 253656), (1626, 246480), (1872, 214090), (1896, 211380), (2054, 195120), (2080, 192681), (2168, 184860), (2340, 171272), (2370, 169104), (2439, 164320), (2528, 158535), (2710, 147888), (2844, 140920), (3081, 130080), (3120, 128454), (3160, 126828), (3252, 123240), (3523, 113760), (3555, 112736), (3744, 107045), (3792, 105690), (4065, 98592), (4108, 97560), (4336, 92430), (4680, 85636), (4740, 84552), (4878, 82160), (5135, 78048), (5420, 73944), (5688, 70460), (6162, 65040), (6240, 64227), (6320, 63414), (6504, 61620), (7046, 56880), (7110, 56368), (7584, 52845), (8130, 49296), (8216, 48780), (8672, 46215), (9243, 43360), (9360, 42818), (9480, 42276), (9756, 41080), (10270, 39024), (10569, 37920), (10840, 36972), (11376, 35230), (12195, 32864), (12324, 32520), (12640, 31707), (13008, 30810), (14092, 28440), (14220, 28184), (15405, 26016), (16260, 24648), (16432, 24390), (17615, 22752), (18486, 21680), (18720, 21409), (18960, 21138), (19512, 20540)]