257416380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 240

約数和(自身を含む): 922078080

約数和(自身を除く): 664661700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 324, 340, 351, 390, 405, 442, 459, 468, 510, 540, 585, 612, 663, 702, 719, 765, 780, 810, 884, 918, 1020, 1053, 1105, 1170, 1326, 1377, 1404, 1438, 1530, 1620, 1755, 1836, 1989, 2106, 2157, 2210, 2295, 2340, 2652, 2754, 2876, 3060, 3315, 3510, 3595, 3978, 4212, 4314, 4420, 4590, 5265, 5508, 5967, 6471, 6630, 6885, 7020, 7190, 7956, 8628, 9180, 9347, 9945, 10530, 10785, 11934, 12223, 12942, 13260, 13770, 14380, 17901, 18694, 19413, 19890, 21060, 21570, 23868, 24446, 25884, 27540, 28041, 29835, 32355, 35802, 36669, 37388, 38826, 39780, 43140, 46735, 48892, 56082, 58239, 59670, 61115, 64710, 71604, 73338, 77652, 84123, 89505, 93470, 97065, 110007, 112164, 116478, 119340, 122230, 129420, 140205, 146676, 158899, 168246, 179010, 183345, 186940, 194130, 220014, 232956, 244460, 252369, 280410, 291195, 317798, 330021, 336492, 358020, 366690, 388260, 420615, 440028, 476697, 504738, 550035, 560820, 582390, 635596, 660042, 733380, 757107, 794495, 841230, 953394, 990063, 1009476, 1100070, 1164780, 1261845, 1320084, 1430091, 1514214, 1588990, 1650105, 1682460, 1906788, 1980126, 2200140, 2383485, 2523690, 2860182, 3028428, 3177980, 3300210, 3785535, 3960252, 4290273, 4766970, 4950315, 5047380, 5720364, 6600420, 7150455, 7571070, 8580546, 9533940, 9900630, 12870819, 14300910, 15142140, 17161092, 19801260, 21451365, 25741638, 28601820, 42902730, 51483276, 64354095, 85805460, 128708190, 257416380]

約数ペア:

[(1, 257416380), (2, 128708190), (3, 85805460), (4, 64354095), (5, 51483276), (6, 42902730), (9, 28601820), (10, 25741638), (12, 21451365), (13, 19801260), (15, 17161092), (17, 15142140), (18, 14300910), (20, 12870819), (26, 9900630), (27, 9533940), (30, 8580546), (34, 7571070), (36, 7150455), (39, 6600420), (45, 5720364), (51, 5047380), (52, 4950315), (54, 4766970), (60, 4290273), (65, 3960252), (68, 3785535), (78, 3300210), (81, 3177980), (85, 3028428), (90, 2860182), (102, 2523690), (108, 2383485), (117, 2200140), (130, 1980126), (135, 1906788), (153, 1682460), (156, 1650105), (162, 1588990), (170, 1514214), (180, 1430091), (195, 1320084), (204, 1261845), (221, 1164780), (234, 1100070), (255, 1009476), (260, 990063), (270, 953394), (306, 841230), (324, 794495), (340, 757107), (351, 733380), (390, 660042), (405, 635596), (442, 582390), (459, 560820), (468, 550035), (510, 504738), (540, 476697), (585, 440028), (612, 420615), (663, 388260), (702, 366690), (719, 358020), (765, 336492), (780, 330021), (810, 317798), (884, 291195), (918, 280410), (1020, 252369), (1053, 244460), (1105, 232956), (1170, 220014), (1326, 194130), (1377, 186940), (1404, 183345), (1438, 179010), (1530, 168246), (1620, 158899), (1755, 146676), (1836, 140205), (1989, 129420), (2106, 122230), (2157, 119340), (2210, 116478), (2295, 112164), (2340, 110007), (2652, 97065), (2754, 93470), (2876, 89505), (3060, 84123), (3315, 77652), (3510, 73338), (3595, 71604), (3978, 64710), (4212, 61115), (4314, 59670), (4420, 58239), (4590, 56082), (5265, 48892), (5508, 46735), (5967, 43140), (6471, 39780), (6630, 38826), (6885, 37388), (7020, 36669), (7190, 35802), (7956, 32355), (8628, 29835), (9180, 28041), (9347, 27540), (9945, 25884), (10530, 24446), (10785, 23868), (11934, 21570), (12223, 21060), (12942, 19890), (13260, 19413), (13770, 18694), (14380, 17901)]