128904510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19849

約数の個数: 64

約数和(自身を含む): 364990464

約数和(自身を除く): 236085954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 19801, 39602, 59403, 99005, 118806, 138607, 198010, 277214, 297015, 415821, 594030, 613831, 693035, 831642, 1227662, 1386070, 1841493, 2079105, 3069155, 3682986, 4158210, 4296817, 6138310, 8593634, 9207465, 12890451, 18414930, 21484085, 25780902, 42968170, 64452255, 128904510]

約数ペア:

[(1, 128904510), (2, 64452255), (3, 42968170), (5, 25780902), (6, 21484085), (7, 18414930), (10, 12890451), (14, 9207465), (15, 8593634), (21, 6138310), (30, 4296817), (31, 4158210), (35, 3682986), (42, 3069155), (62, 2079105), (70, 1841493), (93, 1386070), (105, 1227662), (155, 831642), (186, 693035), (210, 613831), (217, 594030), (310, 415821), (434, 297015), (465, 277214), (651, 198010), (930, 138607), (1085, 118806), (1302, 99005), (2170, 59403), (3255, 39602), (6510, 19801)]