1284740520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25073}}^1$

素因数の和:25155

約数の個数: 128

約数和(自身を含む): 4477213440

約数和(自身を除く): 3192472920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 25073, 25620, 50146, 51240, 75219, 100292, 125365, 150438, 175511, 200584, 250730, 300876, 351022, 376095, 501460, 526533, 601752, 702044, 752190, 877555, 1002920, 1053066, 1404088, 1504380, 1529453, 1755110, 2106132, 2632665, 3008760, 3058906, 3510220, 4212264, 4588359, 5265330, 6117812, 7020440, 7647265, 9176718, 10530660, 10706171, 12235624, 15294530, 18353436, 21061320, 21412342, 22941795, 30589060, 32118513, 36706872, 42824684, 45883590, 53530855, 61178120, 64237026, 85649368, 91767180, 107061710, 128474052, 160592565, 183534360, 214123420, 256948104, 321185130, 428246840, 642370260, 1284740520]

約数ペア:

[(1, 1284740520), (2, 642370260), (3, 428246840), (4, 321185130), (5, 256948104), (6, 214123420), (7, 183534360), (8, 160592565), (10, 128474052), (12, 107061710), (14, 91767180), (15, 85649368), (20, 64237026), (21, 61178120), (24, 53530855), (28, 45883590), (30, 42824684), (35, 36706872), (40, 32118513), (42, 30589060), (56, 22941795), (60, 21412342), (61, 21061320), (70, 18353436), (84, 15294530), (105, 12235624), (120, 10706171), (122, 10530660), (140, 9176718), (168, 7647265), (183, 7020440), (210, 6117812), (244, 5265330), (280, 4588359), (305, 4212264), (366, 3510220), (420, 3058906), (427, 3008760), (488, 2632665), (610, 2106132), (732, 1755110), (840, 1529453), (854, 1504380), (915, 1404088), (1220, 1053066), (1281, 1002920), (1464, 877555), (1708, 752190), (1830, 702044), (2135, 601752), (2440, 526533), (2562, 501460), (3416, 376095), (3660, 351022), (4270, 300876), (5124, 250730), (6405, 200584), (7320, 175511), (8540, 150438), (10248, 125365), (12810, 100292), (17080, 75219), (25073, 51240), (25620, 50146)]