72203880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 128

約数和(自身を含む): 253440000

約数和(自身を除く): 181236120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 1999, 2408, 2580, 3010, 3612, 3998, 4515, 5160, 5997, 6020, 7224, 7996, 9030, 9995, 11994, 12040, 13993, 15992, 18060, 19990, 23988, 27986, 29985, 36120, 39980, 41979, 47976, 55972, 59970, 69965, 79960, 83958, 85957, 111944, 119940, 139930, 167916, 171914, 209895, 239880, 257871, 279860, 335832, 343828, 419790, 429785, 515742, 559720, 601699, 687656, 839580, 859570, 1031484, 1203398, 1289355, 1679160, 1719140, 1805097, 2062968, 2406796, 2578710, 3008495, 3438280, 3610194, 4813592, 5157420, 6016990, 7220388, 9025485, 10314840, 12033980, 14440776, 18050970, 24067960, 36101940, 72203880]

約数ペア:

[(1, 72203880), (2, 36101940), (3, 24067960), (4, 18050970), (5, 14440776), (6, 12033980), (7, 10314840), (8, 9025485), (10, 7220388), (12, 6016990), (14, 5157420), (15, 4813592), (20, 3610194), (21, 3438280), (24, 3008495), (28, 2578710), (30, 2406796), (35, 2062968), (40, 1805097), (42, 1719140), (43, 1679160), (56, 1289355), (60, 1203398), (70, 1031484), (84, 859570), (86, 839580), (105, 687656), (120, 601699), (129, 559720), (140, 515742), (168, 429785), (172, 419790), (210, 343828), (215, 335832), (258, 279860), (280, 257871), (301, 239880), (344, 209895), (420, 171914), (430, 167916), (516, 139930), (602, 119940), (645, 111944), (840, 85957), (860, 83958), (903, 79960), (1032, 69965), (1204, 59970), (1290, 55972), (1505, 47976), (1720, 41979), (1806, 39980), (1999, 36120), (2408, 29985), (2580, 27986), (3010, 23988), (3612, 19990), (3998, 18060), (4515, 15992), (5160, 13993), (5997, 12040), (6020, 11994), (7224, 9995), (7996, 9030)]