21985332120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{64217}}^1$

素因数の和:64554

約数の個数: 128

約数和(自身を含む): 73516766400

約数和(自身を除く): 51531434280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 317, 360, 540, 634, 951, 1080, 1268, 1585, 1902, 2536, 2853, 3170, 3804, 4755, 5706, 6340, 7608, 8559, 9510, 11412, 12680, 14265, 17118, 19020, 22824, 28530, 34236, 38040, 42795, 57060, 64217, 68472, 85590, 114120, 128434, 171180, 192651, 256868, 321085, 342360, 385302, 513736, 577953, 642170, 770604, 963255, 1155906, 1284340, 1541208, 1733859, 1926510, 2311812, 2568680, 2889765, 3467718, 3853020, 4623624, 5779530, 6935436, 7706040, 8669295, 11559060, 13870872, 17338590, 20356789, 23118120, 34677180, 40713578, 61070367, 69354360, 81427156, 101783945, 122140734, 162854312, 183211101, 203567890, 244281468, 305351835, 366422202, 407135780, 488562936, 549633303, 610703670, 732844404, 814271560, 916055505, 1099266606, 1221407340, 1465688808, 1832111010, 2198533212, 2442814680, 2748166515, 3664222020, 4397066424, 5496333030, 7328444040, 10992666060, 21985332120]

約数ペア:

[(1, 21985332120), (2, 10992666060), (3, 7328444040), (4, 5496333030), (5, 4397066424), (6, 3664222020), (8, 2748166515), (9, 2442814680), (10, 2198533212), (12, 1832111010), (15, 1465688808), (18, 1221407340), (20, 1099266606), (24, 916055505), (27, 814271560), (30, 732844404), (36, 610703670), (40, 549633303), (45, 488562936), (54, 407135780), (60, 366422202), (72, 305351835), (90, 244281468), (108, 203567890), (120, 183211101), (135, 162854312), (180, 122140734), (216, 101783945), (270, 81427156), (317, 69354360), (360, 61070367), (540, 40713578), (634, 34677180), (951, 23118120), (1080, 20356789), (1268, 17338590), (1585, 13870872), (1902, 11559060), (2536, 8669295), (2853, 7706040), (3170, 6935436), (3804, 5779530), (4755, 4623624), (5706, 3853020), (6340, 3467718), (7608, 2889765), (8559, 2568680), (9510, 2311812), (11412, 1926510), (12680, 1733859), (14265, 1541208), (17118, 1284340), (19020, 1155906), (22824, 963255), (28530, 770604), (34236, 642170), (38040, 577953), (42795, 513736), (57060, 385302), (64217, 342360), (68472, 321085), (85590, 256868), (114120, 192651), (128434, 171180)]