89476020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 286387920

約数和(自身を除く): 196911900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 116, 122, 145, 174, 180, 183, 244, 261, 281, 290, 305, 348, 366, 435, 522, 549, 562, 580, 610, 732, 843, 870, 915, 1044, 1098, 1124, 1220, 1305, 1405, 1686, 1740, 1769, 1830, 2196, 2529, 2610, 2745, 2810, 3372, 3538, 3660, 4215, 5058, 5220, 5307, 5490, 5620, 7076, 8149, 8430, 8845, 10116, 10614, 10980, 12645, 15921, 16298, 16860, 17141, 17690, 21228, 24447, 25290, 26535, 31842, 32596, 34282, 35380, 40745, 48894, 50580, 51423, 53070, 63684, 68564, 73341, 79605, 81490, 85705, 97788, 102846, 106140, 122235, 146682, 154269, 159210, 162980, 171410, 205692, 244470, 257115, 293364, 308538, 318420, 342820, 366705, 488940, 497089, 514230, 617076, 733410, 771345, 994178, 1028460, 1466820, 1491267, 1542690, 1988356, 2485445, 2982534, 3085380, 4473801, 4970890, 5965068, 7456335, 8947602, 9941780, 14912670, 17895204, 22369005, 29825340, 44738010, 89476020]

約数ペア:

[(1, 89476020), (2, 44738010), (3, 29825340), (4, 22369005), (5, 17895204), (6, 14912670), (9, 9941780), (10, 8947602), (12, 7456335), (15, 5965068), (18, 4970890), (20, 4473801), (29, 3085380), (30, 2982534), (36, 2485445), (45, 1988356), (58, 1542690), (60, 1491267), (61, 1466820), (87, 1028460), (90, 994178), (116, 771345), (122, 733410), (145, 617076), (174, 514230), (180, 497089), (183, 488940), (244, 366705), (261, 342820), (281, 318420), (290, 308538), (305, 293364), (348, 257115), (366, 244470), (435, 205692), (522, 171410), (549, 162980), (562, 159210), (580, 154269), (610, 146682), (732, 122235), (843, 106140), (870, 102846), (915, 97788), (1044, 85705), (1098, 81490), (1124, 79605), (1220, 73341), (1305, 68564), (1405, 63684), (1686, 53070), (1740, 51423), (1769, 50580), (1830, 48894), (2196, 40745), (2529, 35380), (2610, 34282), (2745, 32596), (2810, 31842), (3372, 26535), (3538, 25290), (3660, 24447), (4215, 21228), (5058, 17690), (5220, 17141), (5307, 16860), (5490, 16298), (5620, 15921), (7076, 12645), (8149, 10980), (8430, 10614), (8845, 10116)]