64858892140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{461}}^1\times {\mathrm{20509}}^1$

素因数の和:21000

約数の個数: 96

約数和(自身を含む): 159190416000

約数和(自身を除く): 94331523860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 461, 490, 686, 922, 980, 1372, 1715, 1844, 2305, 3227, 3430, 4610, 6454, 6860, 9220, 12908, 16135, 20509, 22589, 32270, 41018, 45178, 64540, 82036, 90356, 102545, 112945, 143563, 158123, 205090, 225890, 287126, 316246, 410180, 451780, 574252, 632492, 717815, 790615, 1004941, 1435630, 1581230, 2009882, 2871260, 3162460, 4019764, 5024705, 7034587, 9454649, 10049410, 14069174, 18909298, 20098820, 28138348, 35172935, 37818596, 47273245, 66182543, 70345870, 94546490, 132365086, 140691740, 189092980, 264730172, 330912715, 463277801, 661825430, 926555602, 1323650860, 1853111204, 2316389005, 3242944607, 4632778010, 6485889214, 9265556020, 12971778428, 16214723035, 32429446070, 64858892140]

約数ペア:

[(1, 64858892140), (2, 32429446070), (4, 16214723035), (5, 12971778428), (7, 9265556020), (10, 6485889214), (14, 4632778010), (20, 3242944607), (28, 2316389005), (35, 1853111204), (49, 1323650860), (70, 926555602), (98, 661825430), (140, 463277801), (196, 330912715), (245, 264730172), (343, 189092980), (461, 140691740), (490, 132365086), (686, 94546490), (922, 70345870), (980, 66182543), (1372, 47273245), (1715, 37818596), (1844, 35172935), (2305, 28138348), (3227, 20098820), (3430, 18909298), (4610, 14069174), (6454, 10049410), (6860, 9454649), (9220, 7034587), (12908, 5024705), (16135, 4019764), (20509, 3162460), (22589, 2871260), (32270, 2009882), (41018, 1581230), (45178, 1435630), (64540, 1004941), (82036, 790615), (90356, 717815), (102545, 632492), (112945, 574252), (143563, 451780), (158123, 410180), (205090, 316246), (225890, 287126)]