320480820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:523

約数の個数: 192

約数和(自身を含む): 1097671680

約数和(自身を除く): 777190860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 163, 165, 180, 198, 220, 270, 297, 326, 330, 331, 396, 489, 495, 540, 594, 652, 660, 662, 815, 978, 990, 993, 1188, 1324, 1467, 1485, 1630, 1655, 1793, 1956, 1980, 1986, 2445, 2934, 2970, 2979, 3260, 3310, 3586, 3641, 3972, 4401, 4890, 4965, 5379, 5868, 5940, 5958, 6620, 7172, 7282, 7335, 8802, 8937, 8965, 9780, 9930, 10758, 10923, 11916, 14564, 14670, 14895, 16137, 17604, 17874, 17930, 18205, 19860, 21516, 21846, 22005, 26895, 29340, 29790, 32274, 32769, 35748, 35860, 36410, 43692, 44010, 44685, 48411, 53790, 53953, 54615, 59580, 64548, 65538, 72820, 80685, 88020, 89370, 96822, 98307, 107580, 107906, 109230, 131076, 161370, 161859, 163845, 178740, 193644, 196614, 215812, 218460, 242055, 269765, 322740, 323718, 327690, 393228, 484110, 485577, 491535, 539530, 593483, 647436, 655380, 809295, 968220, 971154, 983070, 1079060, 1186966, 1456731, 1618590, 1780449, 1942308, 1966140, 2373932, 2427885, 2913462, 2967415, 3237180, 3560898, 4855770, 5341347, 5826924, 5934830, 7121796, 7283655, 8902245, 9711540, 10682694, 11869660, 14567310, 16024041, 17804490, 21365388, 26706735, 29134620, 32048082, 35608980, 53413470, 64096164, 80120205, 106826940, 160240410, 320480820]

約数ペア:

[(1, 320480820), (2, 160240410), (3, 106826940), (4, 80120205), (5, 64096164), (6, 53413470), (9, 35608980), (10, 32048082), (11, 29134620), (12, 26706735), (15, 21365388), (18, 17804490), (20, 16024041), (22, 14567310), (27, 11869660), (30, 10682694), (33, 9711540), (36, 8902245), (44, 7283655), (45, 7121796), (54, 5934830), (55, 5826924), (60, 5341347), (66, 4855770), (90, 3560898), (99, 3237180), (108, 2967415), (110, 2913462), (132, 2427885), (135, 2373932), (163, 1966140), (165, 1942308), (180, 1780449), (198, 1618590), (220, 1456731), (270, 1186966), (297, 1079060), (326, 983070), (330, 971154), (331, 968220), (396, 809295), (489, 655380), (495, 647436), (540, 593483), (594, 539530), (652, 491535), (660, 485577), (662, 484110), (815, 393228), (978, 327690), (990, 323718), (993, 322740), (1188, 269765), (1324, 242055), (1467, 218460), (1485, 215812), (1630, 196614), (1655, 193644), (1793, 178740), (1956, 163845), (1980, 161859), (1986, 161370), (2445, 131076), (2934, 109230), (2970, 107906), (2979, 107580), (3260, 98307), (3310, 96822), (3586, 89370), (3641, 88020), (3972, 80685), (4401, 72820), (4890, 65538), (4965, 64548), (5379, 59580), (5868, 54615), (5940, 53953), (5958, 53790), (6620, 48411), (7172, 44685), (7282, 44010), (7335, 43692), (8802, 36410), (8937, 35860), (8965, 35748), (9780, 32769), (9930, 32274), (10758, 29790), (10923, 29340), (11916, 26895), (14564, 22005), (14670, 21846), (14895, 21516), (16137, 19860), (17604, 18205), (17874, 17930)]