86401980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 144

約数和(自身を含む): 306109440

約数和(自身を除く): 219707460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1459, 1645, 1692, 1974, 2115, 2820, 2918, 2961, 3290, 3948, 4230, 4377, 4935, 5836, 5922, 6580, 7295, 8460, 8754, 9870, 10213, 11844, 13131, 14590, 14805, 17508, 19740, 20426, 21885, 26262, 29180, 29610, 30639, 40852, 43770, 51065, 52524, 59220, 61278, 65655, 68573, 87540, 91917, 102130, 122556, 131310, 137146, 153195, 183834, 204260, 205719, 262620, 274292, 306390, 342865, 367668, 411438, 459585, 480011, 612780, 617157, 685730, 822876, 919170, 960022, 1028595, 1234314, 1371460, 1440033, 1838340, 1920044, 2057190, 2400055, 2468628, 2880066, 3085785, 4114380, 4320099, 4800110, 5760132, 6171570, 7200165, 8640198, 9600220, 12343140, 14400330, 17280396, 21600495, 28800660, 43200990, 86401980]

約数ペア:

[(1, 86401980), (2, 43200990), (3, 28800660), (4, 21600495), (5, 17280396), (6, 14400330), (7, 12343140), (9, 9600220), (10, 8640198), (12, 7200165), (14, 6171570), (15, 5760132), (18, 4800110), (20, 4320099), (21, 4114380), (28, 3085785), (30, 2880066), (35, 2468628), (36, 2400055), (42, 2057190), (45, 1920044), (47, 1838340), (60, 1440033), (63, 1371460), (70, 1234314), (84, 1028595), (90, 960022), (94, 919170), (105, 822876), (126, 685730), (140, 617157), (141, 612780), (180, 480011), (188, 459585), (210, 411438), (235, 367668), (252, 342865), (282, 306390), (315, 274292), (329, 262620), (420, 205719), (423, 204260), (470, 183834), (564, 153195), (630, 137146), (658, 131310), (705, 122556), (846, 102130), (940, 91917), (987, 87540), (1260, 68573), (1316, 65655), (1410, 61278), (1459, 59220), (1645, 52524), (1692, 51065), (1974, 43770), (2115, 40852), (2820, 30639), (2918, 29610), (2961, 29180), (3290, 26262), (3948, 21885), (4230, 20426), (4377, 19740), (4935, 17508), (5836, 14805), (5922, 14590), (6580, 13131), (7295, 11844), (8460, 10213), (8754, 9870)]