80696025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 155670840

約数和(自身を除く): 74974815

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 73, 75, 85, 153, 219, 225, 255, 289, 365, 425, 657, 765, 867, 1095, 1241, 1275, 1445, 1825, 2601, 3285, 3723, 3825, 4335, 4913, 5475, 6205, 7225, 11169, 13005, 14739, 16425, 18615, 21097, 21675, 24565, 31025, 44217, 55845, 63291, 65025, 73695, 93075, 105485, 122825, 189873, 221085, 279225, 316455, 358649, 368475, 527425, 949365, 1075947, 1105425, 1582275, 1793245, 3227841, 4746825, 5379735, 8966225, 16139205, 26898675, 80696025]

約数ペア:

[(1, 80696025), (3, 26898675), (5, 16139205), (9, 8966225), (15, 5379735), (17, 4746825), (25, 3227841), (45, 1793245), (51, 1582275), (73, 1105425), (75, 1075947), (85, 949365), (153, 527425), (219, 368475), (225, 358649), (255, 316455), (289, 279225), (365, 221085), (425, 189873), (657, 122825), (765, 105485), (867, 93075), (1095, 73695), (1241, 65025), (1275, 63291), (1445, 55845), (1825, 44217), (2601, 31025), (3285, 24565), (3723, 21675), (3825, 21097), (4335, 18615), (4913, 16425), (5475, 14739), (6205, 13005), (7225, 11169)]