18161250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 47234880

約数和(自身を除く): 29073630

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 167, 174, 250, 290, 334, 375, 435, 501, 625, 725, 750, 835, 870, 1002, 1250, 1450, 1670, 1875, 2175, 2505, 3625, 3750, 4175, 4350, 4843, 5010, 7250, 8350, 9686, 10875, 12525, 14529, 18125, 20875, 21750, 24215, 25050, 29058, 36250, 41750, 48430, 54375, 62625, 72645, 104375, 108750, 121075, 125250, 145290, 208750, 242150, 313125, 363225, 605375, 626250, 726450, 1210750, 1816125, 3026875, 3632250, 6053750, 9080625, 18161250]

約数ペア:

[(1, 18161250), (2, 9080625), (3, 6053750), (5, 3632250), (6, 3026875), (10, 1816125), (15, 1210750), (25, 726450), (29, 626250), (30, 605375), (50, 363225), (58, 313125), (75, 242150), (87, 208750), (125, 145290), (145, 125250), (150, 121075), (167, 108750), (174, 104375), (250, 72645), (290, 62625), (334, 54375), (375, 48430), (435, 41750), (501, 36250), (625, 29058), (725, 25050), (750, 24215), (835, 21750), (870, 20875), (1002, 18125), (1250, 14529), (1450, 12525), (1670, 10875), (1875, 9686), (2175, 8350), (2505, 7250), (3625, 5010), (3750, 4843), (4175, 4350)]