28420680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1453}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 85844160

約数和(自身を除く): 57423480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1453, 1630, 1956, 2445, 2906, 3260, 3912, 4359, 4890, 5812, 6520, 7265, 8718, 9780, 11624, 14530, 17436, 19560, 21795, 29060, 34872, 43590, 58120, 87180, 174360, 236839, 473678, 710517, 947356, 1184195, 1421034, 1894712, 2368390, 2842068, 3552585, 4736780, 5684136, 7105170, 9473560, 14210340, 28420680]

約数ペア:

[(1, 28420680), (2, 14210340), (3, 9473560), (4, 7105170), (5, 5684136), (6, 4736780), (8, 3552585), (10, 2842068), (12, 2368390), (15, 1894712), (20, 1421034), (24, 1184195), (30, 947356), (40, 710517), (60, 473678), (120, 236839), (163, 174360), (326, 87180), (489, 58120), (652, 43590), (815, 34872), (978, 29060), (1304, 21795), (1453, 19560), (1630, 17436), (1956, 14530), (2445, 11624), (2906, 9780), (3260, 8718), (3912, 7265), (4359, 6520), (4890, 5812)]