64209340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 156643200

約数和(自身を除く): 92433860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 73, 85, 130, 146, 170, 199, 221, 260, 292, 340, 365, 398, 442, 730, 796, 884, 949, 995, 1105, 1241, 1460, 1898, 1990, 2210, 2482, 2587, 3383, 3796, 3980, 4420, 4745, 4964, 5174, 6205, 6766, 9490, 10348, 12410, 12935, 13532, 14527, 16133, 16915, 18980, 24820, 25870, 29054, 32266, 33830, 43979, 51740, 58108, 64532, 67660, 72635, 80665, 87958, 145270, 161330, 175916, 188851, 219895, 246959, 290540, 322660, 377702, 439790, 493918, 755404, 879580, 944255, 987836, 1234795, 1888510, 2469590, 3210467, 3777020, 4939180, 6420934, 12841868, 16052335, 32104670, 64209340]

約数ペア:

[(1, 64209340), (2, 32104670), (4, 16052335), (5, 12841868), (10, 6420934), (13, 4939180), (17, 3777020), (20, 3210467), (26, 2469590), (34, 1888510), (52, 1234795), (65, 987836), (68, 944255), (73, 879580), (85, 755404), (130, 493918), (146, 439790), (170, 377702), (199, 322660), (221, 290540), (260, 246959), (292, 219895), (340, 188851), (365, 175916), (398, 161330), (442, 145270), (730, 87958), (796, 80665), (884, 72635), (949, 67660), (995, 64532), (1105, 58108), (1241, 51740), (1460, 43979), (1898, 33830), (1990, 32266), (2210, 29054), (2482, 25870), (2587, 24820), (3383, 18980), (3796, 16915), (3980, 16133), (4420, 14527), (4745, 13532), (4964, 12935), (5174, 12410), (6205, 10348), (6766, 9490)]