2015096875

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 2885721552

約数和(自身を除く): 870624677

約数列:

[1, 5, 11, 25, 31, 55, 61, 125, 155, 275, 305, 341, 625, 671, 775, 961, 1375, 1525, 1705, 1891, 3125, 3355, 3875, 4805, 6875, 7625, 8525, 9455, 10571, 16775, 19375, 20801, 24025, 34375, 38125, 42625, 47275, 52855, 58621, 83875, 96875, 104005, 120125, 190625, 213125, 236375, 264275, 293105, 419375, 520025, 600625, 644831, 1065625, 1181875, 1321375, 1465525, 2096875, 2600125, 3003125, 3224155, 5909375, 6606875, 7327625, 13000625, 16120775, 33034375, 36638125, 65003125, 80603875, 183190625, 403019375, 2015096875]

約数ペア:

[(1, 2015096875), (5, 403019375), (11, 183190625), (25, 80603875), (31, 65003125), (55, 36638125), (61, 33034375), (125, 16120775), (155, 13000625), (275, 7327625), (305, 6606875), (341, 5909375), (625, 3224155), (671, 3003125), (775, 2600125), (961, 2096875), (1375, 1465525), (1525, 1321375), (1705, 1181875), (1891, 1065625), (3125, 644831), (3355, 600625), (3875, 520025), (4805, 419375), (6875, 293105), (7625, 264275), (8525, 236375), (9455, 213125), (10571, 190625), (16775, 120125), (19375, 104005), (20801, 96875), (24025, 83875), (34375, 58621), (38125, 52855), (42625, 47275)]