306497360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15511}}^1$

素因数の和:15556

約数の個数: 80

約数和(自身を含む): 807864960

約数和(自身を除く): 501367600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 15511, 19760, 31022, 62044, 77555, 124088, 155110, 201643, 248176, 294709, 310220, 403286, 589418, 620440, 806572, 1008215, 1178836, 1240880, 1473545, 1613144, 2016430, 2357672, 2947090, 3226288, 3831217, 4032860, 4715344, 5894180, 7662434, 8065720, 11788360, 15324868, 16131440, 19156085, 23576720, 30649736, 38312170, 61299472, 76624340, 153248680, 306497360]

約数ペア:

[(1, 306497360), (2, 153248680), (4, 76624340), (5, 61299472), (8, 38312170), (10, 30649736), (13, 23576720), (16, 19156085), (19, 16131440), (20, 15324868), (26, 11788360), (38, 8065720), (40, 7662434), (52, 5894180), (65, 4715344), (76, 4032860), (80, 3831217), (95, 3226288), (104, 2947090), (130, 2357672), (152, 2016430), (190, 1613144), (208, 1473545), (247, 1240880), (260, 1178836), (304, 1008215), (380, 806572), (494, 620440), (520, 589418), (760, 403286), (988, 310220), (1040, 294709), (1235, 248176), (1520, 201643), (1976, 155110), (2470, 124088), (3952, 77555), (4940, 62044), (9880, 31022), (15511, 19760)]