68020680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6263

約数の個数: 128

約数和(自身を含む): 251193600

約数和(自身を除く): 183172920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6229, 10920, 12458, 18687, 24916, 31145, 37374, 43603, 49832, 62290, 74748, 80977, 87206, 93435, 124580, 130809, 149496, 161954, 174412, 186870, 218015, 242931, 249160, 261618, 323908, 348824, 373740, 404885, 436030, 485862, 523236, 566839, 647816, 654045, 747480, 809770, 872060, 971724, 1046472, 1133678, 1214655, 1308090, 1619540, 1700517, 1744120, 1943448, 2267356, 2429310, 2616180, 2834195, 3239080, 3401034, 4534712, 4858620, 5232360, 5668390, 6802068, 8502585, 9717240, 11336780, 13604136, 17005170, 22673560, 34010340, 68020680]

約数ペア:

[(1, 68020680), (2, 34010340), (3, 22673560), (4, 17005170), (5, 13604136), (6, 11336780), (7, 9717240), (8, 8502585), (10, 6802068), (12, 5668390), (13, 5232360), (14, 4858620), (15, 4534712), (20, 3401034), (21, 3239080), (24, 2834195), (26, 2616180), (28, 2429310), (30, 2267356), (35, 1943448), (39, 1744120), (40, 1700517), (42, 1619540), (52, 1308090), (56, 1214655), (60, 1133678), (65, 1046472), (70, 971724), (78, 872060), (84, 809770), (91, 747480), (104, 654045), (105, 647816), (120, 566839), (130, 523236), (140, 485862), (156, 436030), (168, 404885), (182, 373740), (195, 348824), (210, 323908), (260, 261618), (273, 249160), (280, 242931), (312, 218015), (364, 186870), (390, 174412), (420, 161954), (455, 149496), (520, 130809), (546, 124580), (728, 93435), (780, 87206), (840, 80977), (910, 74748), (1092, 62290), (1365, 49832), (1560, 43603), (1820, 37374), (2184, 31145), (2730, 24916), (3640, 18687), (5460, 12458), (6229, 10920)]