204668520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1459}}^1$

素因数の和:1647

約数の個数: 128

約数和(自身を含む): 706406400

約数和(自身を除く): 501737880

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, 70, 84, 105, 120, 140, 167, 168, 210, 280, 334, 420, 501, 668, 835, 840, 1002, 1169, 1336, 1459, 1670, 2004, 2338, 2505, 2918, 3340, 3507, 4008, 4377, 4676, 5010, 5836, 5845, 6680, 7014, 7295, 8754, 9352, 10020, 10213, 11672, 11690, 14028, 14590, 17508, 17535, 20040, 20426, 21885, 23380, 28056, 29180, 30639, 35016, 35070, 40852, 43770, 46760, 51065, 58360, 61278, 70140, 81704, 87540, 102130, 122556, 140280, 153195, 175080, 204260, 243653, 245112, 306390, 408520, 487306, 612780, 730959, 974612, 1218265, 1225560, 1461918, 1705571, 1949224, 2436530, 2923836, 3411142, 3654795, 4873060, 5116713, 5847672, 6822284, 7309590, 8527855, 9746120, 10233426, 13644568, 14619180, 17055710, 20466852, 25583565, 29238360, 34111420, 40933704, 51167130, 68222840, 102334260, 204668520]

約数ペア:

[(1, 204668520), (2, 102334260), (3, 68222840), (4, 51167130), (5, 40933704), (6, 34111420), (7, 29238360), (8, 25583565), (10, 20466852), (12, 17055710), (14, 14619180), (15, 13644568), (20, 10233426), (21, 9746120), (24, 8527855), (28, 7309590), (30, 6822284), (35, 5847672), (40, 5116713), (42, 4873060), (56, 3654795), (60, 3411142), (70, 2923836), (84, 2436530), (105, 1949224), (120, 1705571), (140, 1461918), (167, 1225560), (168, 1218265), (210, 974612), (280, 730959), (334, 612780), (420, 487306), (501, 408520), (668, 306390), (835, 245112), (840, 243653), (1002, 204260), (1169, 175080), (1336, 153195), (1459, 140280), (1670, 122556), (2004, 102130), (2338, 87540), (2505, 81704), (2918, 70140), (3340, 61278), (3507, 58360), (4008, 51065), (4377, 46760), (4676, 43770), (5010, 40852), (5836, 35070), (5845, 35016), (6680, 30639), (7014, 29180), (7295, 28056), (8754, 23380), (9352, 21885), (10020, 20426), (10213, 20040), (11672, 17535), (11690, 17508), (14028, 14590)]