69688840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^4\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 172650780

約数和(自身を除く): 102961940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 169, 244, 260, 305, 338, 488, 520, 610, 676, 793, 845, 1220, 1352, 1586, 1690, 2197, 2440, 3172, 3380, 3965, 4394, 6344, 6760, 7930, 8788, 10309, 10985, 15860, 17576, 20618, 21970, 28561, 31720, 41236, 43940, 51545, 57122, 82472, 87880, 103090, 114244, 134017, 142805, 206180, 228488, 268034, 285610, 412360, 536068, 571220, 670085, 1072136, 1142440, 1340170, 1742221, 2680340, 3484442, 5360680, 6968884, 8711105, 13937768, 17422210, 34844420, 69688840]

約数ペア:

[(1, 69688840), (2, 34844420), (4, 17422210), (5, 13937768), (8, 8711105), (10, 6968884), (13, 5360680), (20, 3484442), (26, 2680340), (40, 1742221), (52, 1340170), (61, 1142440), (65, 1072136), (104, 670085), (122, 571220), (130, 536068), (169, 412360), (244, 285610), (260, 268034), (305, 228488), (338, 206180), (488, 142805), (520, 134017), (610, 114244), (676, 103090), (793, 87880), (845, 82472), (1220, 57122), (1352, 51545), (1586, 43940), (1690, 41236), (2197, 31720), (2440, 28561), (3172, 21970), (3380, 20618), (3965, 17576), (4394, 15860), (6344, 10985), (6760, 10309), (7930, 8788)]