72021990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1885

約数の個数: 64

約数和(自身を含む): 182679552

約数和(自身を除く): 110657562

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 930, 1290, 1333, 1801, 2666, 3602, 3999, 5403, 6665, 7998, 9005, 10806, 13330, 18010, 19995, 27015, 39990, 54030, 55831, 77443, 111662, 154886, 167493, 232329, 279155, 334986, 387215, 464658, 558310, 774430, 837465, 1161645, 1674930, 2323290, 2400733, 4801466, 7202199, 12003665, 14404398, 24007330, 36010995, 72021990]

約数ペア:

[(1, 72021990), (2, 36010995), (3, 24007330), (5, 14404398), (6, 12003665), (10, 7202199), (15, 4801466), (30, 2400733), (31, 2323290), (43, 1674930), (62, 1161645), (86, 837465), (93, 774430), (129, 558310), (155, 464658), (186, 387215), (215, 334986), (258, 279155), (310, 232329), (430, 167493), (465, 154886), (645, 111662), (930, 77443), (1290, 55831), (1333, 54030), (1801, 39990), (2666, 27015), (3602, 19995), (3999, 18010), (5403, 13330), (6665, 10806), (7998, 9005)]