21952680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3074

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 45007320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2999, 3660, 5998, 7320, 8997, 11996, 14995, 17994, 23992, 29990, 35988, 44985, 59980, 71976, 89970, 119960, 179940, 182939, 359880, 365878, 548817, 731756, 914695, 1097634, 1463512, 1829390, 2195268, 2744085, 3658780, 4390536, 5488170, 7317560, 10976340, 21952680]

約数ペア:

[(1, 21952680), (2, 10976340), (3, 7317560), (4, 5488170), (5, 4390536), (6, 3658780), (8, 2744085), (10, 2195268), (12, 1829390), (15, 1463512), (20, 1097634), (24, 914695), (30, 731756), (40, 548817), (60, 365878), (61, 359880), (120, 182939), (122, 179940), (183, 119960), (244, 89970), (305, 71976), (366, 59980), (488, 44985), (610, 35988), (732, 29990), (915, 23992), (1220, 17994), (1464, 14995), (1830, 11996), (2440, 8997), (2999, 7320), (3660, 5998)]