195539640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 622944000

約数和(自身を除く): 427404360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 190, 228, 278, 285, 380, 417, 456, 556, 570, 617, 695, 760, 834, 1112, 1140, 1234, 1390, 1668, 1851, 2085, 2280, 2468, 2641, 2780, 3085, 3336, 3702, 4170, 4936, 5282, 5560, 6170, 7404, 7923, 8340, 9255, 10564, 11723, 12340, 13205, 14808, 15846, 16680, 18510, 21128, 23446, 24680, 26410, 31692, 35169, 37020, 39615, 46892, 52820, 58615, 63384, 70338, 74040, 79230, 85763, 93784, 105640, 117230, 140676, 158460, 171526, 175845, 234460, 257289, 281352, 316920, 343052, 351690, 428815, 468920, 514578, 686104, 703380, 857630, 1029156, 1286445, 1406760, 1629497, 1715260, 2058312, 2572890, 3258994, 3430520, 4888491, 5145780, 6517988, 8147485, 9776982, 10291560, 13035976, 16294970, 19553964, 24442455, 32589940, 39107928, 48884910, 65179880, 97769820, 195539640]

約数ペア:

[(1, 195539640), (2, 97769820), (3, 65179880), (4, 48884910), (5, 39107928), (6, 32589940), (8, 24442455), (10, 19553964), (12, 16294970), (15, 13035976), (19, 10291560), (20, 9776982), (24, 8147485), (30, 6517988), (38, 5145780), (40, 4888491), (57, 3430520), (60, 3258994), (76, 2572890), (95, 2058312), (114, 1715260), (120, 1629497), (139, 1406760), (152, 1286445), (190, 1029156), (228, 857630), (278, 703380), (285, 686104), (380, 514578), (417, 468920), (456, 428815), (556, 351690), (570, 343052), (617, 316920), (695, 281352), (760, 257289), (834, 234460), (1112, 175845), (1140, 171526), (1234, 158460), (1390, 140676), (1668, 117230), (1851, 105640), (2085, 93784), (2280, 85763), (2468, 79230), (2641, 74040), (2780, 70338), (3085, 63384), (3336, 58615), (3702, 52820), (4170, 46892), (4936, 39615), (5282, 37020), (5560, 35169), (6170, 31692), (7404, 26410), (7923, 24680), (8340, 23446), (9255, 21128), (10564, 18510), (11723, 16680), (12340, 15846), (13205, 14808)]