64874720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 172676448

約数和(自身を除く): 107801728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 61, 68, 80, 85, 92, 115, 122, 136, 160, 170, 184, 230, 244, 272, 289, 305, 340, 368, 391, 460, 488, 544, 578, 610, 680, 736, 782, 920, 976, 1037, 1156, 1220, 1360, 1403, 1445, 1564, 1840, 1952, 1955, 2074, 2312, 2440, 2720, 2806, 2890, 3128, 3680, 3910, 4148, 4624, 4880, 5185, 5612, 5780, 6256, 6647, 7015, 7820, 8296, 9248, 9760, 10370, 11224, 11560, 12512, 13294, 14030, 15640, 16592, 17629, 20740, 22448, 23120, 23851, 26588, 28060, 31280, 33184, 33235, 35258, 41480, 44896, 46240, 47702, 53176, 56120, 62560, 66470, 70516, 82960, 88145, 95404, 106352, 112240, 119255, 132940, 141032, 165920, 176290, 190808, 212704, 224480, 238510, 265880, 282064, 352580, 381616, 405467, 477020, 531760, 564128, 705160, 763232, 810934, 954040, 1063520, 1410320, 1621868, 1908080, 2027335, 2820640, 3243736, 3816160, 4054670, 6487472, 8109340, 12974944, 16218680, 32437360, 64874720]

約数ペア:

[(1, 64874720), (2, 32437360), (4, 16218680), (5, 12974944), (8, 8109340), (10, 6487472), (16, 4054670), (17, 3816160), (20, 3243736), (23, 2820640), (32, 2027335), (34, 1908080), (40, 1621868), (46, 1410320), (61, 1063520), (68, 954040), (80, 810934), (85, 763232), (92, 705160), (115, 564128), (122, 531760), (136, 477020), (160, 405467), (170, 381616), (184, 352580), (230, 282064), (244, 265880), (272, 238510), (289, 224480), (305, 212704), (340, 190808), (368, 176290), (391, 165920), (460, 141032), (488, 132940), (544, 119255), (578, 112240), (610, 106352), (680, 95404), (736, 88145), (782, 82960), (920, 70516), (976, 66470), (1037, 62560), (1156, 56120), (1220, 53176), (1360, 47702), (1403, 46240), (1445, 44896), (1564, 41480), (1840, 35258), (1952, 33235), (1955, 33184), (2074, 31280), (2312, 28060), (2440, 26588), (2720, 23851), (2806, 23120), (2890, 22448), (3128, 20740), (3680, 17629), (3910, 16592), (4148, 15640), (4624, 14030), (4880, 13294), (5185, 12512), (5612, 11560), (5780, 11224), (6256, 10370), (6647, 9760), (7015, 9248), (7820, 8296)]