72708320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26731}}^1$

素因数の和:26763

約数の個数: 48

約数和(自身を含む): 181884528

約数和(自身を除く): 109176208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26731, 53462, 106924, 133655, 213848, 267310, 427696, 454427, 534620, 855392, 908854, 1069240, 1817708, 2138480, 2272135, 3635416, 4276960, 4544270, 7270832, 9088540, 14541664, 18177080, 36354160, 72708320]

約数ペア:

[(1, 72708320), (2, 36354160), (4, 18177080), (5, 14541664), (8, 9088540), (10, 7270832), (16, 4544270), (17, 4276960), (20, 3635416), (32, 2272135), (34, 2138480), (40, 1817708), (68, 1069240), (80, 908854), (85, 855392), (136, 534620), (160, 454427), (170, 427696), (272, 267310), (340, 213848), (544, 133655), (680, 106924), (1360, 53462), (2720, 26731)]