72747080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 212198400

約数和(自身を除く): 139451320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 31, 34, 35, 40, 56, 58, 62, 68, 70, 85, 116, 119, 124, 136, 140, 145, 155, 170, 203, 217, 232, 238, 248, 280, 289, 290, 310, 340, 406, 434, 476, 493, 527, 578, 580, 595, 620, 680, 812, 868, 899, 952, 986, 1015, 1054, 1085, 1156, 1160, 1190, 1240, 1445, 1624, 1736, 1798, 1972, 2023, 2030, 2108, 2170, 2312, 2380, 2465, 2635, 2890, 3451, 3596, 3689, 3944, 4046, 4060, 4216, 4340, 4495, 4760, 4930, 5270, 5780, 6293, 6902, 7192, 7378, 8092, 8120, 8381, 8680, 8959, 8990, 9860, 10115, 10540, 11560, 12586, 13804, 14756, 15283, 16184, 16762, 17255, 17918, 17980, 18445, 19720, 20230, 21080, 25172, 27608, 29512, 30566, 31465, 33524, 34510, 35836, 35960, 36890, 40460, 41905, 44795, 50344, 58667, 61132, 62713, 62930, 67048, 69020, 71672, 73780, 76415, 80920, 83810, 89590, 106981, 117334, 122264, 125426, 125860, 138040, 147560, 152830, 167620, 179180, 213962, 234668, 250852, 251720, 259811, 293335, 305660, 313565, 335240, 358360, 427924, 469336, 501704, 519622, 534905, 586670, 611320, 627130, 855848, 1039244, 1069810, 1173340, 1254260, 1299055, 1818677, 2078488, 2139620, 2346680, 2508520, 2598110, 3637354, 4279240, 5196220, 7274708, 9093385, 10392440, 14549416, 18186770, 36373540, 72747080]

約数ペア:

[(1, 72747080), (2, 36373540), (4, 18186770), (5, 14549416), (7, 10392440), (8, 9093385), (10, 7274708), (14, 5196220), (17, 4279240), (20, 3637354), (28, 2598110), (29, 2508520), (31, 2346680), (34, 2139620), (35, 2078488), (40, 1818677), (56, 1299055), (58, 1254260), (62, 1173340), (68, 1069810), (70, 1039244), (85, 855848), (116, 627130), (119, 611320), (124, 586670), (136, 534905), (140, 519622), (145, 501704), (155, 469336), (170, 427924), (203, 358360), (217, 335240), (232, 313565), (238, 305660), (248, 293335), (280, 259811), (289, 251720), (290, 250852), (310, 234668), (340, 213962), (406, 179180), (434, 167620), (476, 152830), (493, 147560), (527, 138040), (578, 125860), (580, 125426), (595, 122264), (620, 117334), (680, 106981), (812, 89590), (868, 83810), (899, 80920), (952, 76415), (986, 73780), (1015, 71672), (1054, 69020), (1085, 67048), (1156, 62930), (1160, 62713), (1190, 61132), (1240, 58667), (1445, 50344), (1624, 44795), (1736, 41905), (1798, 40460), (1972, 36890), (2023, 35960), (2030, 35836), (2108, 34510), (2170, 33524), (2312, 31465), (2380, 30566), (2465, 29512), (2635, 27608), (2890, 25172), (3451, 21080), (3596, 20230), (3689, 19720), (3944, 18445), (4046, 17980), (4060, 17918), (4216, 17255), (4340, 16762), (4495, 16184), (4760, 15283), (4930, 14756), (5270, 13804), (5780, 12586), (6293, 11560), (6902, 10540), (7192, 10115), (7378, 9860), (8092, 8990), (8120, 8959), (8381, 8680)]