9720750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 26155584

約数和(自身を除く): 16434834

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 997, 1625, 1950, 1994, 2991, 3250, 4875, 4985, 5982, 9750, 9970, 12961, 14955, 24925, 25922, 29910, 38883, 49850, 64805, 74775, 77766, 124625, 129610, 149550, 194415, 249250, 324025, 373875, 388830, 648050, 747750, 972075, 1620125, 1944150, 3240250, 4860375, 9720750]

約数ペア:

[(1, 9720750), (2, 4860375), (3, 3240250), (5, 1944150), (6, 1620125), (10, 972075), (13, 747750), (15, 648050), (25, 388830), (26, 373875), (30, 324025), (39, 249250), (50, 194415), (65, 149550), (75, 129610), (78, 124625), (125, 77766), (130, 74775), (150, 64805), (195, 49850), (250, 38883), (325, 29910), (375, 25922), (390, 24925), (650, 14955), (750, 12961), (975, 9970), (997, 9750), (1625, 5982), (1950, 4985), (1994, 4875), (2991, 3250)]