72917780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{991}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 165656064

約数和(自身を除く): 92738284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 566, 991, 1132, 1415, 1982, 2830, 3679, 3964, 4955, 5660, 7358, 9910, 12883, 14716, 18395, 19820, 25766, 36790, 51532, 64415, 73580, 128830, 257660, 280453, 560906, 1121812, 1402265, 2804530, 3645889, 5609060, 7291778, 14583556, 18229445, 36458890, 72917780]

約数ペア:

[(1, 72917780), (2, 36458890), (4, 18229445), (5, 14583556), (10, 7291778), (13, 5609060), (20, 3645889), (26, 2804530), (52, 1402265), (65, 1121812), (130, 560906), (260, 280453), (283, 257660), (566, 128830), (991, 73580), (1132, 64415), (1415, 51532), (1982, 36790), (2830, 25766), (3679, 19820), (3964, 18395), (4955, 14716), (5660, 12883), (7358, 9910)]