19762920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 68256000

約数和(自身を除く): 48493080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 631, 696, 783, 870, 1044, 1080, 1160, 1262, 1305, 1566, 1740, 1893, 2088, 2524, 2610, 3132, 3155, 3480, 3786, 3915, 5048, 5220, 5679, 6264, 6310, 7572, 7830, 9465, 10440, 11358, 12620, 15144, 15660, 17037, 18299, 18930, 22716, 25240, 28395, 31320, 34074, 36598, 37860, 45432, 54897, 56790, 68148, 73196, 75720, 85185, 91495, 109794, 113580, 136296, 146392, 164691, 170370, 182990, 219588, 227160, 274485, 329382, 340740, 365980, 439176, 494073, 548970, 658764, 681480, 731960, 823455, 988146, 1097940, 1317528, 1646910, 1976292, 2195880, 2470365, 3293820, 3952584, 4940730, 6587640, 9881460, 19762920]

約数ペア:

[(1, 19762920), (2, 9881460), (3, 6587640), (4, 4940730), (5, 3952584), (6, 3293820), (8, 2470365), (9, 2195880), (10, 1976292), (12, 1646910), (15, 1317528), (18, 1097940), (20, 988146), (24, 823455), (27, 731960), (29, 681480), (30, 658764), (36, 548970), (40, 494073), (45, 439176), (54, 365980), (58, 340740), (60, 329382), (72, 274485), (87, 227160), (90, 219588), (108, 182990), (116, 170370), (120, 164691), (135, 146392), (145, 136296), (174, 113580), (180, 109794), (216, 91495), (232, 85185), (261, 75720), (270, 73196), (290, 68148), (348, 56790), (360, 54897), (435, 45432), (522, 37860), (540, 36598), (580, 34074), (631, 31320), (696, 28395), (783, 25240), (870, 22716), (1044, 18930), (1080, 18299), (1160, 17037), (1262, 15660), (1305, 15144), (1566, 12620), (1740, 11358), (1893, 10440), (2088, 9465), (2524, 7830), (2610, 7572), (3132, 6310), (3155, 6264), (3480, 5679), (3786, 5220), (3915, 5048)]