23201820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 71272656

約数和(自身を除く): 48070836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1553, 1660, 2490, 2988, 3106, 3735, 4659, 4980, 6212, 7470, 7765, 9318, 13977, 14940, 15530, 18636, 23295, 27954, 31060, 46590, 55908, 69885, 93180, 128899, 139770, 257798, 279540, 386697, 515596, 644495, 773394, 1160091, 1288990, 1546788, 1933485, 2320182, 2577980, 3866970, 4640364, 5800455, 7733940, 11600910, 23201820]

約数ペア:

[(1, 23201820), (2, 11600910), (3, 7733940), (4, 5800455), (5, 4640364), (6, 3866970), (9, 2577980), (10, 2320182), (12, 1933485), (15, 1546788), (18, 1288990), (20, 1160091), (30, 773394), (36, 644495), (45, 515596), (60, 386697), (83, 279540), (90, 257798), (166, 139770), (180, 128899), (249, 93180), (332, 69885), (415, 55908), (498, 46590), (747, 31060), (830, 27954), (996, 23295), (1245, 18636), (1494, 15530), (1553, 14940), (1660, 13977), (2490, 9318), (2988, 7765), (3106, 7470), (3735, 6212), (4659, 4980)]