78313020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21397}}^1$

素因数の和:21470

約数の個数: 48

約数和(自身を含む): 222881568

約数和(自身を除く): 144568548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21397, 42794, 64191, 85588, 106985, 128382, 213970, 256764, 320955, 427940, 641910, 1283820, 1305217, 2610434, 3915651, 5220868, 6526085, 7831302, 13052170, 15662604, 19578255, 26104340, 39156510, 78313020]

約数ペア:

[(1, 78313020), (2, 39156510), (3, 26104340), (4, 19578255), (5, 15662604), (6, 13052170), (10, 7831302), (12, 6526085), (15, 5220868), (20, 3915651), (30, 2610434), (60, 1305217), (61, 1283820), (122, 641910), (183, 427940), (244, 320955), (305, 256764), (366, 213970), (610, 128382), (732, 106985), (915, 85588), (1220, 64191), (1830, 42794), (3660, 21397)]