68621280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 192

約数和(自身を含む): 266208768

約数和(自身を除く): 197587488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1571, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3142, 3360, 3640, 4368, 4713, 5460, 6240, 6284, 7280, 7855, 8736, 9426, 10920, 10997, 12568, 14560, 15710, 18852, 20423, 21840, 21994, 23565, 25136, 31420, 32991, 37704, 40846, 43680, 43988, 47130, 50272, 54985, 61269, 62840, 65982, 75408, 81692, 87976, 94260, 102115, 109970, 122538, 125680, 131964, 142961, 150816, 163384, 164955, 175952, 188520, 204230, 219940, 245076, 251360, 263928, 285922, 306345, 326768, 329910, 351904, 377040, 408460, 428883, 439880, 490152, 527856, 571844, 612690, 653536, 659820, 714805, 754080, 816920, 857766, 879760, 980304, 1055712, 1143688, 1225380, 1319640, 1429610, 1633840, 1715532, 1759520, 1960608, 2144415, 2287376, 2450760, 2639280, 2859220, 3267680, 3431064, 4288830, 4574752, 4901520, 5278560, 5718440, 6862128, 8577660, 9803040, 11436880, 13724256, 17155320, 22873760, 34310640, 68621280]

約数ペア:

[(1, 68621280), (2, 34310640), (3, 22873760), (4, 17155320), (5, 13724256), (6, 11436880), (7, 9803040), (8, 8577660), (10, 6862128), (12, 5718440), (13, 5278560), (14, 4901520), (15, 4574752), (16, 4288830), (20, 3431064), (21, 3267680), (24, 2859220), (26, 2639280), (28, 2450760), (30, 2287376), (32, 2144415), (35, 1960608), (39, 1759520), (40, 1715532), (42, 1633840), (48, 1429610), (52, 1319640), (56, 1225380), (60, 1143688), (65, 1055712), (70, 980304), (78, 879760), (80, 857766), (84, 816920), (91, 754080), (96, 714805), (104, 659820), (105, 653536), (112, 612690), (120, 571844), (130, 527856), (140, 490152), (156, 439880), (160, 428883), (168, 408460), (182, 377040), (195, 351904), (208, 329910), (210, 326768), (224, 306345), (240, 285922), (260, 263928), (273, 251360), (280, 245076), (312, 219940), (336, 204230), (364, 188520), (390, 175952), (416, 164955), (420, 163384), (455, 150816), (480, 142961), (520, 131964), (546, 125680), (560, 122538), (624, 109970), (672, 102115), (728, 94260), (780, 87976), (840, 81692), (910, 75408), (1040, 65982), (1092, 62840), (1120, 61269), (1248, 54985), (1365, 50272), (1456, 47130), (1560, 43988), (1571, 43680), (1680, 40846), (1820, 37704), (2080, 32991), (2184, 31420), (2730, 25136), (2912, 23565), (3120, 21994), (3142, 21840), (3360, 20423), (3640, 18852), (4368, 15710), (4713, 14560), (5460, 12568), (6240, 10997), (6284, 10920), (7280, 9426), (7855, 8736)]