15421040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 120

約数和(自身を含む): 41113440

約数和(自身を除く): 25692400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 29, 34, 40, 46, 58, 68, 80, 85, 92, 115, 116, 136, 145, 170, 184, 230, 232, 272, 289, 290, 340, 368, 391, 460, 464, 493, 578, 580, 667, 680, 782, 920, 986, 1156, 1160, 1334, 1360, 1445, 1564, 1840, 1955, 1972, 2312, 2320, 2465, 2668, 2890, 3128, 3335, 3910, 3944, 4624, 4930, 5336, 5780, 6256, 6647, 6670, 7820, 7888, 8381, 9860, 10672, 11339, 11560, 13294, 13340, 15640, 16762, 19720, 22678, 23120, 26588, 26680, 31280, 33235, 33524, 39440, 41905, 45356, 53176, 53360, 56695, 66470, 67048, 83810, 90712, 106352, 113390, 132940, 134096, 167620, 181424, 192763, 226780, 265880, 335240, 385526, 453560, 531760, 670480, 771052, 907120, 963815, 1542104, 1927630, 3084208, 3855260, 7710520, 15421040]

約数ペア:

[(1, 15421040), (2, 7710520), (4, 3855260), (5, 3084208), (8, 1927630), (10, 1542104), (16, 963815), (17, 907120), (20, 771052), (23, 670480), (29, 531760), (34, 453560), (40, 385526), (46, 335240), (58, 265880), (68, 226780), (80, 192763), (85, 181424), (92, 167620), (115, 134096), (116, 132940), (136, 113390), (145, 106352), (170, 90712), (184, 83810), (230, 67048), (232, 66470), (272, 56695), (289, 53360), (290, 53176), (340, 45356), (368, 41905), (391, 39440), (460, 33524), (464, 33235), (493, 31280), (578, 26680), (580, 26588), (667, 23120), (680, 22678), (782, 19720), (920, 16762), (986, 15640), (1156, 13340), (1160, 13294), (1334, 11560), (1360, 11339), (1445, 10672), (1564, 9860), (1840, 8381), (1955, 7888), (1972, 7820), (2312, 6670), (2320, 6647), (2465, 6256), (2668, 5780), (2890, 5336), (3128, 4930), (3335, 4624), (3910, 3944)]