28663440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9187}}^1$

素因数の和:9216

約数の個数: 80

約数和(自身を含む): 95702208

約数和(自身を除く): 67038768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9187, 18374, 27561, 36748, 45935, 55122, 73496, 91870, 110244, 119431, 137805, 146992, 183740, 220488, 238862, 275610, 358293, 367480, 440976, 477724, 551220, 597155, 716586, 734960, 955448, 1102440, 1194310, 1433172, 1791465, 1910896, 2204880, 2388620, 2866344, 3582930, 4777240, 5732688, 7165860, 9554480, 14331720, 28663440]

約数ペア:

[(1, 28663440), (2, 14331720), (3, 9554480), (4, 7165860), (5, 5732688), (6, 4777240), (8, 3582930), (10, 2866344), (12, 2388620), (13, 2204880), (15, 1910896), (16, 1791465), (20, 1433172), (24, 1194310), (26, 1102440), (30, 955448), (39, 734960), (40, 716586), (48, 597155), (52, 551220), (60, 477724), (65, 440976), (78, 367480), (80, 358293), (104, 275610), (120, 238862), (130, 220488), (156, 183740), (195, 146992), (208, 137805), (240, 119431), (260, 110244), (312, 91870), (390, 73496), (520, 55122), (624, 45935), (780, 36748), (1040, 27561), (1560, 18374), (3120, 9187)]