81035760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1415

約数の個数: 160

約数和(自身を含む): 284981760

約数和(自身を除く): 203946000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1367, 1482, 1520, 1560, 1976, 2280, 2470, 2734, 2964, 3120, 3705, 3952, 4101, 4560, 4940, 5468, 5928, 6835, 7410, 8202, 9880, 10936, 11856, 13670, 14820, 16404, 17771, 19760, 20505, 21872, 25973, 27340, 29640, 32808, 35542, 41010, 51946, 53313, 54680, 59280, 65616, 71084, 77919, 82020, 88855, 103892, 106626, 109360, 129865, 142168, 155838, 164040, 177710, 207784, 213252, 259730, 266565, 284336, 311676, 328080, 337649, 355420, 389595, 415568, 426504, 519460, 533130, 623352, 675298, 710840, 779190, 853008, 1012947, 1038920, 1066260, 1246704, 1350596, 1421680, 1558380, 1688245, 2025894, 2077840, 2132520, 2701192, 3116760, 3376490, 4051788, 4265040, 5064735, 5402384, 6233520, 6752980, 8103576, 10129470, 13505960, 16207152, 20258940, 27011920, 40517880, 81035760]

約数ペア:

[(1, 81035760), (2, 40517880), (3, 27011920), (4, 20258940), (5, 16207152), (6, 13505960), (8, 10129470), (10, 8103576), (12, 6752980), (13, 6233520), (15, 5402384), (16, 5064735), (19, 4265040), (20, 4051788), (24, 3376490), (26, 3116760), (30, 2701192), (38, 2132520), (39, 2077840), (40, 2025894), (48, 1688245), (52, 1558380), (57, 1421680), (60, 1350596), (65, 1246704), (76, 1066260), (78, 1038920), (80, 1012947), (95, 853008), (104, 779190), (114, 710840), (120, 675298), (130, 623352), (152, 533130), (156, 519460), (190, 426504), (195, 415568), (208, 389595), (228, 355420), (240, 337649), (247, 328080), (260, 311676), (285, 284336), (304, 266565), (312, 259730), (380, 213252), (390, 207784), (456, 177710), (494, 164040), (520, 155838), (570, 142168), (624, 129865), (741, 109360), (760, 106626), (780, 103892), (912, 88855), (988, 82020), (1040, 77919), (1140, 71084), (1235, 65616), (1367, 59280), (1482, 54680), (1520, 53313), (1560, 51946), (1976, 41010), (2280, 35542), (2470, 32808), (2734, 29640), (2964, 27340), (3120, 25973), (3705, 21872), (3952, 20505), (4101, 19760), (4560, 17771), (4940, 16404), (5468, 14820), (5928, 13670), (6835, 11856), (7410, 10936), (8202, 9880)]