204745080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2461

約数の個数: 128

約数和(自身を含む): 661893120

約数和(自身を除く): 457148040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2393, 2760, 2852, 3565, 3720, 4278, 4786, 5704, 7130, 7179, 8556, 9572, 10695, 11965, 14260, 14358, 17112, 19144, 21390, 23930, 28520, 28716, 35895, 42780, 47860, 55039, 57432, 71790, 74183, 85560, 95720, 110078, 143580, 148366, 165117, 220156, 222549, 275195, 287160, 296732, 330234, 370915, 440312, 445098, 550390, 593464, 660468, 741830, 825585, 890196, 1100780, 1112745, 1320936, 1483660, 1651170, 1706209, 1780392, 2201560, 2225490, 2967320, 3302340, 3412418, 4450980, 5118627, 6604680, 6824836, 8531045, 8901960, 10237254, 13649672, 17062090, 20474508, 25593135, 34124180, 40949016, 51186270, 68248360, 102372540, 204745080]

約数ペア:

[(1, 204745080), (2, 102372540), (3, 68248360), (4, 51186270), (5, 40949016), (6, 34124180), (8, 25593135), (10, 20474508), (12, 17062090), (15, 13649672), (20, 10237254), (23, 8901960), (24, 8531045), (30, 6824836), (31, 6604680), (40, 5118627), (46, 4450980), (60, 3412418), (62, 3302340), (69, 2967320), (92, 2225490), (93, 2201560), (115, 1780392), (120, 1706209), (124, 1651170), (138, 1483660), (155, 1320936), (184, 1112745), (186, 1100780), (230, 890196), (248, 825585), (276, 741830), (310, 660468), (345, 593464), (372, 550390), (460, 445098), (465, 440312), (552, 370915), (620, 330234), (690, 296732), (713, 287160), (744, 275195), (920, 222549), (930, 220156), (1240, 165117), (1380, 148366), (1426, 143580), (1860, 110078), (2139, 95720), (2393, 85560), (2760, 74183), (2852, 71790), (3565, 57432), (3720, 55039), (4278, 47860), (4786, 42780), (5704, 35895), (7130, 28716), (7179, 28520), (8556, 23930), (9572, 21390), (10695, 19144), (11965, 17112), (14260, 14358)]