421473520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:843

約数の個数: 160

約数和(自身を含む): 1154926080

約数和(自身を除く): 733452560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 496, 520, 527, 620, 680, 769, 806, 884, 1040, 1054, 1105, 1240, 1360, 1538, 1612, 1768, 2015, 2108, 2210, 2480, 2635, 3076, 3224, 3536, 3845, 4030, 4216, 4420, 5270, 6152, 6448, 6851, 7690, 8060, 8432, 8840, 9997, 10540, 12304, 13073, 13702, 15380, 16120, 17680, 19994, 21080, 23839, 26146, 27404, 30760, 32240, 34255, 39988, 42160, 47678, 49985, 52292, 54808, 61520, 65365, 68510, 79976, 95356, 99970, 104584, 109616, 119195, 130730, 137020, 159952, 169949, 190712, 199940, 209168, 238390, 261460, 274040, 309907, 339898, 381424, 399880, 405263, 476780, 522920, 548080, 619814, 679796, 799760, 810526, 849745, 953560, 1045840, 1239628, 1359592, 1549535, 1621052, 1699490, 1907120, 2026315, 2479256, 2719184, 3099070, 3242104, 3398980, 4052630, 4958512, 5268419, 6198140, 6484208, 6797960, 8105260, 10536838, 12396280, 13595920, 16210520, 21073676, 24792560, 26342095, 32421040, 42147352, 52684190, 84294704, 105368380, 210736760, 421473520]

約数ペア:

[(1, 421473520), (2, 210736760), (4, 105368380), (5, 84294704), (8, 52684190), (10, 42147352), (13, 32421040), (16, 26342095), (17, 24792560), (20, 21073676), (26, 16210520), (31, 13595920), (34, 12396280), (40, 10536838), (52, 8105260), (62, 6797960), (65, 6484208), (68, 6198140), (80, 5268419), (85, 4958512), (104, 4052630), (124, 3398980), (130, 3242104), (136, 3099070), (155, 2719184), (170, 2479256), (208, 2026315), (221, 1907120), (248, 1699490), (260, 1621052), (272, 1549535), (310, 1359592), (340, 1239628), (403, 1045840), (442, 953560), (496, 849745), (520, 810526), (527, 799760), (620, 679796), (680, 619814), (769, 548080), (806, 522920), (884, 476780), (1040, 405263), (1054, 399880), (1105, 381424), (1240, 339898), (1360, 309907), (1538, 274040), (1612, 261460), (1768, 238390), (2015, 209168), (2108, 199940), (2210, 190712), (2480, 169949), (2635, 159952), (3076, 137020), (3224, 130730), (3536, 119195), (3845, 109616), (4030, 104584), (4216, 99970), (4420, 95356), (5270, 79976), (6152, 68510), (6448, 65365), (6851, 61520), (7690, 54808), (8060, 52292), (8432, 49985), (8840, 47678), (9997, 42160), (10540, 39988), (12304, 34255), (13073, 32240), (13702, 30760), (15380, 27404), (16120, 26146), (17680, 23839), (19994, 21080)]