201521640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2713}}^1$

素因数の和:3346

約数の個数: 64

約数和(自身を含む): 605764800

約数和(自身を除く): 404243160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 619, 1238, 1857, 2476, 2713, 3095, 3714, 4952, 5426, 6190, 7428, 8139, 9285, 10852, 12380, 13565, 14856, 16278, 18570, 21704, 24760, 27130, 32556, 37140, 40695, 54260, 65112, 74280, 81390, 108520, 162780, 325560, 1679347, 3358694, 5038041, 6717388, 8396735, 10076082, 13434776, 16793470, 20152164, 25190205, 33586940, 40304328, 50380410, 67173880, 100760820, 201521640]

約数ペア:

[(1, 201521640), (2, 100760820), (3, 67173880), (4, 50380410), (5, 40304328), (6, 33586940), (8, 25190205), (10, 20152164), (12, 16793470), (15, 13434776), (20, 10076082), (24, 8396735), (30, 6717388), (40, 5038041), (60, 3358694), (120, 1679347), (619, 325560), (1238, 162780), (1857, 108520), (2476, 81390), (2713, 74280), (3095, 65112), (3714, 54260), (4952, 40695), (5426, 37140), (6190, 32556), (7428, 27130), (8139, 24760), (9285, 21704), (10852, 18570), (12380, 16278), (13565, 14856)]