320130400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23539}}^1$

素因数の和:23576

約数の個数: 72

約数和(自身を含む): 827525160

約数和(自身を除く): 507394760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2720, 3400, 6800, 13600, 23539, 47078, 94156, 117695, 188312, 235390, 376624, 400163, 470780, 588475, 753248, 800326, 941560, 1176950, 1600652, 1883120, 2000815, 2353900, 3201304, 3766240, 4001630, 4707800, 6402608, 8003260, 9415600, 10004075, 12805216, 16006520, 18831200, 20008150, 32013040, 40016300, 64026080, 80032600, 160065200, 320130400]

約数ペア:

[(1, 320130400), (2, 160065200), (4, 80032600), (5, 64026080), (8, 40016300), (10, 32013040), (16, 20008150), (17, 18831200), (20, 16006520), (25, 12805216), (32, 10004075), (34, 9415600), (40, 8003260), (50, 6402608), (68, 4707800), (80, 4001630), (85, 3766240), (100, 3201304), (136, 2353900), (160, 2000815), (170, 1883120), (200, 1600652), (272, 1176950), (340, 941560), (400, 800326), (425, 753248), (544, 588475), (680, 470780), (800, 400163), (850, 376624), (1360, 235390), (1700, 188312), (2720, 117695), (3400, 94156), (6800, 47078), (13600, 23539)]