78774180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21523}}^1$

素因数の和:21596

約数の個数: 48

約数和(自身を含む): 224193984

約数和(自身を除く): 145419804

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, 21523, 43046, 64569, 86092, 107615, 129138, 215230, 258276, 322845, 430460, 645690, 1291380, 1312903, 2625806, 3938709, 5251612, 6564515, 7877418, 13129030, 15754836, 19693545, 26258060, 39387090, 78774180]

約数ペア:

[(1, 78774180), (2, 39387090), (3, 26258060), (4, 19693545), (5, 15754836), (6, 13129030), (10, 7877418), (12, 6564515), (15, 5251612), (20, 3938709), (30, 2625806), (60, 1312903), (61, 1291380), (122, 645690), (183, 430460), (244, 322845), (305, 258276), (366, 215230), (610, 129138), (732, 107615), (915, 86092), (1220, 64569), (1830, 43046), (3660, 21523)]