19777670720

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{2267}}^1$

素因数の和:2620

約数の個数: 112

約数和(自身を含む): 47698761600

約数和(自身を除く): 27921090880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 199, 274, 320, 398, 548, 685, 796, 995, 1096, 1370, 1592, 1990, 2192, 2267, 2740, 3184, 3980, 4384, 4534, 5480, 6368, 7960, 8768, 9068, 10960, 11335, 12736, 15920, 18136, 21920, 22670, 27263, 31840, 36272, 43840, 45340, 54526, 63680, 72544, 90680, 109052, 136315, 145088, 181360, 218104, 272630, 310579, 362720, 436208, 451133, 545260, 621158, 725440, 872416, 902266, 1090520, 1242316, 1552895, 1744832, 1804532, 2181040, 2255665, 2484632, 3105790, 3609064, 4362080, 4511330, 4969264, 6211580, 7218128, 8724160, 9022660, 9938528, 12423160, 14436256, 18045320, 19877056, 24846320, 28872512, 36090640, 49692640, 61805221, 72181280, 99385280, 123610442, 144362560, 247220884, 309026105, 494441768, 618052210, 988883536, 1236104420, 1977767072, 2472208840, 3955534144, 4944417680, 9888835360, 19777670720]

約数ペア:

[(1, 19777670720), (2, 9888835360), (4, 4944417680), (5, 3955534144), (8, 2472208840), (10, 1977767072), (16, 1236104420), (20, 988883536), (32, 618052210), (40, 494441768), (64, 309026105), (80, 247220884), (137, 144362560), (160, 123610442), (199, 99385280), (274, 72181280), (320, 61805221), (398, 49692640), (548, 36090640), (685, 28872512), (796, 24846320), (995, 19877056), (1096, 18045320), (1370, 14436256), (1592, 12423160), (1990, 9938528), (2192, 9022660), (2267, 8724160), (2740, 7218128), (3184, 6211580), (3980, 4969264), (4384, 4511330), (4534, 4362080), (5480, 3609064), (6368, 3105790), (7960, 2484632), (8768, 2255665), (9068, 2181040), (10960, 1804532), (11335, 1744832), (12736, 1552895), (15920, 1242316), (18136, 1090520), (21920, 902266), (22670, 872416), (27263, 725440), (31840, 621158), (36272, 545260), (43840, 451133), (45340, 436208), (54526, 362720), (63680, 310579), (72544, 272630), (90680, 218104), (109052, 181360), (136315, 145088)]