1391020680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71999}}^1$

素因数の和:72043

約数の個数: 128

約数和(自身を含む): 4976640000

約数和(自身を除く): 3585619320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 71999, 143998, 215997, 287996, 359995, 431994, 503993, 575992, 719990, 863988, 1007986, 1079985, 1439980, 1511979, 1655977, 1727976, 2015972, 2159970, 2519965, 2879960, 3023958, 3311954, 4031944, 4319940, 4967931, 5039930, 6047916, 6623908, 7559895, 8279885, 8639880, 9935862, 10079860, 11591839, 12095832, 13247816, 15119790, 16559770, 19871724, 20159720, 23183678, 24839655, 30239580, 33119540, 34775517, 39743448, 46367356, 49679310, 57959195, 60479160, 66239080, 69551034, 92734712, 99358620, 115918390, 139102068, 173877585, 198717240, 231836780, 278204136, 347755170, 463673560, 695510340, 1391020680]

約数ペア:

[(1, 1391020680), (2, 695510340), (3, 463673560), (4, 347755170), (5, 278204136), (6, 231836780), (7, 198717240), (8, 173877585), (10, 139102068), (12, 115918390), (14, 99358620), (15, 92734712), (20, 69551034), (21, 66239080), (23, 60479160), (24, 57959195), (28, 49679310), (30, 46367356), (35, 39743448), (40, 34775517), (42, 33119540), (46, 30239580), (56, 24839655), (60, 23183678), (69, 20159720), (70, 19871724), (84, 16559770), (92, 15119790), (105, 13247816), (115, 12095832), (120, 11591839), (138, 10079860), (140, 9935862), (161, 8639880), (168, 8279885), (184, 7559895), (210, 6623908), (230, 6047916), (276, 5039930), (280, 4967931), (322, 4319940), (345, 4031944), (420, 3311954), (460, 3023958), (483, 2879960), (552, 2519965), (644, 2159970), (690, 2015972), (805, 1727976), (840, 1655977), (920, 1511979), (966, 1439980), (1288, 1079985), (1380, 1007986), (1610, 863988), (1932, 719990), (2415, 575992), (2760, 503993), (3220, 431994), (3864, 359995), (4830, 287996), (6440, 215997), (9660, 143998), (19320, 71999)]