620680920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3345

約数の個数: 128

約数和(自身を含む): 1957443840

約数和(自身を除く): 1336762920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 430, 444, 516, 555, 645, 740, 860, 888, 1032, 1110, 1290, 1480, 1591, 1720, 2220, 2580, 3182, 3251, 4440, 4773, 5160, 6364, 6502, 7955, 9546, 9753, 12728, 13004, 15910, 16255, 19092, 19506, 23865, 26008, 31820, 32510, 38184, 39012, 47730, 48765, 63640, 65020, 78024, 95460, 97530, 120287, 130040, 139793, 190920, 195060, 240574, 279586, 360861, 390120, 419379, 481148, 559172, 601435, 698965, 721722, 838758, 962296, 1118344, 1202870, 1397930, 1443444, 1677516, 1804305, 2096895, 2405740, 2795860, 2886888, 3355032, 3608610, 4193790, 4811480, 5172341, 5591720, 7217220, 8387580, 10344682, 14434440, 15517023, 16775160, 20689364, 25861705, 31034046, 41378728, 51723410, 62068092, 77585115, 103446820, 124136184, 155170230, 206893640, 310340460, 620680920]

約数ペア:

[(1, 620680920), (2, 310340460), (3, 206893640), (4, 155170230), (5, 124136184), (6, 103446820), (8, 77585115), (10, 62068092), (12, 51723410), (15, 41378728), (20, 31034046), (24, 25861705), (30, 20689364), (37, 16775160), (40, 15517023), (43, 14434440), (60, 10344682), (74, 8387580), (86, 7217220), (111, 5591720), (120, 5172341), (129, 4811480), (148, 4193790), (172, 3608610), (185, 3355032), (215, 2886888), (222, 2795860), (258, 2405740), (296, 2096895), (344, 1804305), (370, 1677516), (430, 1443444), (444, 1397930), (516, 1202870), (555, 1118344), (645, 962296), (740, 838758), (860, 721722), (888, 698965), (1032, 601435), (1110, 559172), (1290, 481148), (1480, 419379), (1591, 390120), (1720, 360861), (2220, 279586), (2580, 240574), (3182, 195060), (3251, 190920), (4440, 139793), (4773, 130040), (5160, 120287), (6364, 97530), (6502, 95460), (7955, 78024), (9546, 65020), (9753, 63640), (12728, 48765), (13004, 47730), (15910, 39012), (16255, 38184), (19092, 32510), (19506, 31820), (23865, 26008)]