256197760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 777288960

約数和(自身を除く): 521091200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 64, 65, 70, 80, 83, 91, 104, 106, 112, 128, 130, 140, 160, 166, 182, 208, 212, 224, 260, 265, 280, 320, 332, 364, 371, 415, 416, 424, 448, 455, 520, 530, 560, 581, 640, 664, 689, 728, 742, 830, 832, 848, 896, 910, 1040, 1060, 1079, 1120, 1162, 1328, 1378, 1456, 1484, 1660, 1664, 1696, 1820, 1855, 2080, 2120, 2158, 2240, 2324, 2656, 2756, 2905, 2912, 2968, 3320, 3392, 3445, 3640, 3710, 4160, 4240, 4316, 4399, 4480, 4648, 4823, 5312, 5395, 5512, 5810, 5824, 5936, 6640, 6784, 6890, 7280, 7420, 7553, 8320, 8480, 8632, 8798, 9296, 9646, 10624, 10790, 11024, 11620, 11648, 11872, 13280, 13780, 14560, 14840, 15106, 16960, 17264, 17596, 18592, 19292, 21580, 21995, 22048, 23240, 23744, 24115, 26560, 27560, 29120, 29680, 30212, 30793, 33920, 34528, 35192, 37184, 37765, 38584, 43160, 43990, 44096, 46480, 47488, 48230, 53120, 55120, 57187, 58240, 59360, 60424, 61586, 69056, 70384, 74368, 75530, 77168, 86320, 87980, 88192, 92960, 96460, 110240, 114374, 118720, 120848, 123172, 138112, 140768, 151060, 153965, 154336, 172640, 175960, 185920, 192920, 220480, 228748, 237440, 241696, 246344, 281536, 285935, 302120, 307930, 308672, 345280, 351920, 371840, 385840, 400309, 440960, 457496, 483392, 492688, 563072, 571870, 604240, 615860, 617344, 690560, 703840, 771680, 800618, 914992, 966784, 985376, 1143740, 1208480, 1231720, 1407680, 1543360, 1601236, 1829984, 1970752, 2001545, 2287480, 2416960, 2463440, 2815360, 3086720, 3202472, 3659968, 3941504, 4003090, 4574960, 4833920, 4926880, 6404944, 7319936, 8006180, 9149920, 9853760, 12809888, 16012360, 18299840, 19707520, 25619776, 32024720, 36599680, 51239552, 64049440, 128098880, 256197760]

約数ペア:

[(1, 256197760), (2, 128098880), (4, 64049440), (5, 51239552), (7, 36599680), (8, 32024720), (10, 25619776), (13, 19707520), (14, 18299840), (16, 16012360), (20, 12809888), (26, 9853760), (28, 9149920), (32, 8006180), (35, 7319936), (40, 6404944), (52, 4926880), (53, 4833920), (56, 4574960), (64, 4003090), (65, 3941504), (70, 3659968), (80, 3202472), (83, 3086720), (91, 2815360), (104, 2463440), (106, 2416960), (112, 2287480), (128, 2001545), (130, 1970752), (140, 1829984), (160, 1601236), (166, 1543360), (182, 1407680), (208, 1231720), (212, 1208480), (224, 1143740), (260, 985376), (265, 966784), (280, 914992), (320, 800618), (332, 771680), (364, 703840), (371, 690560), (415, 617344), (416, 615860), (424, 604240), (448, 571870), (455, 563072), (520, 492688), (530, 483392), (560, 457496), (581, 440960), (640, 400309), (664, 385840), (689, 371840), (728, 351920), (742, 345280), (830, 308672), (832, 307930), (848, 302120), (896, 285935), (910, 281536), (1040, 246344), (1060, 241696), (1079, 237440), (1120, 228748), (1162, 220480), (1328, 192920), (1378, 185920), (1456, 175960), (1484, 172640), (1660, 154336), (1664, 153965), (1696, 151060), (1820, 140768), (1855, 138112), (2080, 123172), (2120, 120848), (2158, 118720), (2240, 114374), (2324, 110240), (2656, 96460), (2756, 92960), (2905, 88192), (2912, 87980), (2968, 86320), (3320, 77168), (3392, 75530), (3445, 74368), (3640, 70384), (3710, 69056), (4160, 61586), (4240, 60424), (4316, 59360), (4399, 58240), (4480, 57187), (4648, 55120), (4823, 53120), (5312, 48230), (5395, 47488), (5512, 46480), (5810, 44096), (5824, 43990), (5936, 43160), (6640, 38584), (6784, 37765), (6890, 37184), (7280, 35192), (7420, 34528), (7553, 33920), (8320, 30793), (8480, 30212), (8632, 29680), (8798, 29120), (9296, 27560), (9646, 26560), (10624, 24115), (10790, 23744), (11024, 23240), (11620, 22048), (11648, 21995), (11872, 21580), (13280, 19292), (13780, 18592), (14560, 17596), (14840, 17264), (15106, 16960)]