1680961360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3141

約数の個数: 160

約数和(自身を含む): 4601705472

約数和(自身を除く): 2920744112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 496, 520, 527, 620, 680, 806, 884, 1040, 1054, 1105, 1240, 1360, 1612, 1768, 2015, 2108, 2210, 2480, 2635, 3067, 3224, 3536, 4030, 4216, 4420, 5270, 6134, 6448, 6851, 8060, 8432, 8840, 10540, 12268, 13702, 15335, 16120, 17680, 21080, 24536, 27404, 30670, 32240, 34255, 39871, 42160, 49072, 52139, 54808, 61340, 68510, 79742, 95077, 104278, 109616, 122680, 137020, 159484, 190154, 199355, 208556, 245360, 260695, 274040, 318968, 380308, 398710, 417112, 475385, 521390, 548080, 637936, 677807, 760616, 797420, 834224, 950770, 1042780, 1236001, 1355614, 1521232, 1594840, 1616309, 1901540, 2085560, 2472002, 2711228, 3189680, 3232618, 3389035, 3803080, 4171120, 4944004, 5422456, 6180005, 6465236, 6778070, 7606160, 8081545, 9888008, 10844912, 12360010, 12930472, 13556140, 16163090, 19776016, 21012017, 24720020, 25860944, 27112280, 32326180, 42024034, 49440040, 54224560, 64652360, 84048068, 98880080, 105060085, 129304720, 168096136, 210120170, 336192272, 420240340, 840480680, 1680961360]

約数ペア:

[(1, 1680961360), (2, 840480680), (4, 420240340), (5, 336192272), (8, 210120170), (10, 168096136), (13, 129304720), (16, 105060085), (17, 98880080), (20, 84048068), (26, 64652360), (31, 54224560), (34, 49440040), (40, 42024034), (52, 32326180), (62, 27112280), (65, 25860944), (68, 24720020), (80, 21012017), (85, 19776016), (104, 16163090), (124, 13556140), (130, 12930472), (136, 12360010), (155, 10844912), (170, 9888008), (208, 8081545), (221, 7606160), (248, 6778070), (260, 6465236), (272, 6180005), (310, 5422456), (340, 4944004), (403, 4171120), (442, 3803080), (496, 3389035), (520, 3232618), (527, 3189680), (620, 2711228), (680, 2472002), (806, 2085560), (884, 1901540), (1040, 1616309), (1054, 1594840), (1105, 1521232), (1240, 1355614), (1360, 1236001), (1612, 1042780), (1768, 950770), (2015, 834224), (2108, 797420), (2210, 760616), (2480, 677807), (2635, 637936), (3067, 548080), (3224, 521390), (3536, 475385), (4030, 417112), (4216, 398710), (4420, 380308), (5270, 318968), (6134, 274040), (6448, 260695), (6851, 245360), (8060, 208556), (8432, 199355), (8840, 190154), (10540, 159484), (12268, 137020), (13702, 122680), (15335, 109616), (16120, 104278), (17680, 95077), (21080, 79742), (24536, 68510), (27404, 61340), (30670, 54808), (32240, 52139), (34255, 49072), (39871, 42160)]