79857540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1122

約数の個数: 144

約数和(自身を含む): 281648640

約数和(自身を除く): 201791100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1039, 1098, 1220, 1260, 1281, 1708, 1830, 2078, 2135, 2196, 2562, 2745, 3117, 3660, 3843, 4156, 4270, 5124, 5195, 5490, 6234, 6405, 7273, 7686, 8540, 9351, 10390, 10980, 12468, 12810, 14546, 15372, 15585, 18702, 19215, 20780, 21819, 25620, 29092, 31170, 36365, 37404, 38430, 43638, 46755, 62340, 63379, 65457, 72730, 76860, 87276, 93510, 109095, 126758, 130914, 145460, 187020, 190137, 218190, 253516, 261828, 316895, 327285, 380274, 436380, 443653, 570411, 633790, 654570, 760548, 887306, 950685, 1140822, 1267580, 1309140, 1330959, 1774612, 1901370, 2218265, 2281644, 2661918, 2852055, 3802740, 3992877, 4436530, 5323836, 5704110, 6654795, 7985754, 8873060, 11408220, 13309590, 15971508, 19964385, 26619180, 39928770, 79857540]

約数ペア:

[(1, 79857540), (2, 39928770), (3, 26619180), (4, 19964385), (5, 15971508), (6, 13309590), (7, 11408220), (9, 8873060), (10, 7985754), (12, 6654795), (14, 5704110), (15, 5323836), (18, 4436530), (20, 3992877), (21, 3802740), (28, 2852055), (30, 2661918), (35, 2281644), (36, 2218265), (42, 1901370), (45, 1774612), (60, 1330959), (61, 1309140), (63, 1267580), (70, 1140822), (84, 950685), (90, 887306), (105, 760548), (122, 654570), (126, 633790), (140, 570411), (180, 443653), (183, 436380), (210, 380274), (244, 327285), (252, 316895), (305, 261828), (315, 253516), (366, 218190), (420, 190137), (427, 187020), (549, 145460), (610, 130914), (630, 126758), (732, 109095), (854, 93510), (915, 87276), (1039, 76860), (1098, 72730), (1220, 65457), (1260, 63379), (1281, 62340), (1708, 46755), (1830, 43638), (2078, 38430), (2135, 37404), (2196, 36365), (2562, 31170), (2745, 29092), (3117, 25620), (3660, 21819), (3843, 20780), (4156, 19215), (4270, 18702), (5124, 15585), (5195, 15372), (5490, 14546), (6234, 12810), (6405, 12468), (7273, 10980), (7686, 10390), (8540, 9351)]