78477840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 240

約数和(自身を含む): 314765568

約数和(自身を除く): 236287728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 677, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1354, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2031, 2070, 2415, 2520, 2576, 2708, 2760, 2898, 3220, 3312, 3385, 3864, 4062, 4140, 4739, 4830, 5040, 5416, 5520, 5796, 6093, 6440, 6770, 7245, 7728, 8124, 8280, 9478, 9660, 10155, 10832, 11592, 12186, 12880, 13540, 14217, 14490, 15571, 16248, 16560, 18956, 19320, 20310, 23184, 23695, 24372, 27080, 28434, 28980, 30465, 31142, 32496, 37912, 38640, 40620, 42651, 46713, 47390, 48744, 54160, 56868, 57960, 60930, 62284, 71085, 75824, 77855, 81240, 85302, 93426, 94780, 97488, 108997, 113736, 115920, 121860, 124568, 140139, 142170, 155710, 162480, 170604, 186852, 189560, 213255, 217994, 227472, 233565, 243720, 249136, 280278, 284340, 311420, 326991, 341208, 373704, 379120, 426510, 435988, 467130, 487440, 544985, 560556, 568680, 622840, 653982, 682416, 700695, 747408, 853020, 871976, 934260, 980973, 1089970, 1121112, 1137360, 1245680, 1307964, 1401390, 1634955, 1706040, 1743952, 1868520, 1961946, 2179940, 2242224, 2615928, 2802780, 3269910, 3412080, 3737040, 3923892, 4359880, 4904865, 5231856, 5605560, 6539820, 7847784, 8719760, 9809730, 11211120, 13079640, 15695568, 19619460, 26159280, 39238920, 78477840]

約数ペア:

[(1, 78477840), (2, 39238920), (3, 26159280), (4, 19619460), (5, 15695568), (6, 13079640), (7, 11211120), (8, 9809730), (9, 8719760), (10, 7847784), (12, 6539820), (14, 5605560), (15, 5231856), (16, 4904865), (18, 4359880), (20, 3923892), (21, 3737040), (23, 3412080), (24, 3269910), (28, 2802780), (30, 2615928), (35, 2242224), (36, 2179940), (40, 1961946), (42, 1868520), (45, 1743952), (46, 1706040), (48, 1634955), (56, 1401390), (60, 1307964), (63, 1245680), (69, 1137360), (70, 1121112), (72, 1089970), (80, 980973), (84, 934260), (90, 871976), (92, 853020), (105, 747408), (112, 700695), (115, 682416), (120, 653982), (126, 622840), (138, 568680), (140, 560556), (144, 544985), (161, 487440), (168, 467130), (180, 435988), (184, 426510), (207, 379120), (210, 373704), (230, 341208), (240, 326991), (252, 311420), (276, 284340), (280, 280278), (315, 249136), (322, 243720), (336, 233565), (345, 227472), (360, 217994), (368, 213255), (414, 189560), (420, 186852), (460, 170604), (483, 162480), (504, 155710), (552, 142170), (560, 140139), (630, 124568), (644, 121860), (677, 115920), (690, 113736), (720, 108997), (805, 97488), (828, 94780), (840, 93426), (920, 85302), (966, 81240), (1008, 77855), (1035, 75824), (1104, 71085), (1260, 62284), (1288, 60930), (1354, 57960), (1380, 56868), (1449, 54160), (1610, 48744), (1656, 47390), (1680, 46713), (1840, 42651), (1932, 40620), (2031, 38640), (2070, 37912), (2415, 32496), (2520, 31142), (2576, 30465), (2708, 28980), (2760, 28434), (2898, 27080), (3220, 24372), (3312, 23695), (3385, 23184), (3864, 20310), (4062, 19320), (4140, 18956), (4739, 16560), (4830, 16248), (5040, 15571), (5416, 14490), (5520, 14217), (5796, 13540), (6093, 12880), (6440, 12186), (6770, 11592), (7245, 10832), (7728, 10155), (8124, 9660), (8280, 9478)]