78383940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76847}}^1$

素因数の和:76876

約数の個数: 48

約数和(自身を含む): 232388352

約数和(自身を除く): 154004412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 76847, 153694, 230541, 307388, 384235, 461082, 768470, 922164, 1152705, 1306399, 1536940, 2305410, 2612798, 3919197, 4610820, 5225596, 6531995, 7838394, 13063990, 15676788, 19595985, 26127980, 39191970, 78383940]

約数ペア:

[(1, 78383940), (2, 39191970), (3, 26127980), (4, 19595985), (5, 15676788), (6, 13063990), (10, 7838394), (12, 6531995), (15, 5225596), (17, 4610820), (20, 3919197), (30, 2612798), (34, 2305410), (51, 1536940), (60, 1306399), (68, 1152705), (85, 922164), (102, 768470), (170, 461082), (204, 384235), (255, 307388), (340, 230541), (510, 153694), (1020, 76847)]