30746800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 86105600

約数和(自身を除く): 55358800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 139, 140, 158, 175, 200, 278, 280, 316, 350, 395, 400, 553, 556, 560, 632, 695, 700, 790, 973, 1106, 1112, 1264, 1390, 1400, 1580, 1946, 1975, 2212, 2224, 2765, 2780, 2800, 3160, 3475, 3892, 3950, 4424, 4865, 5530, 5560, 6320, 6950, 7784, 7900, 8848, 9730, 10981, 11060, 11120, 13825, 13900, 15568, 15800, 19460, 21962, 22120, 24325, 27650, 27800, 31600, 38920, 43924, 44240, 48650, 54905, 55300, 55600, 76867, 77840, 87848, 97300, 109810, 110600, 153734, 175696, 194600, 219620, 221200, 274525, 307468, 384335, 389200, 439240, 549050, 614936, 768670, 878480, 1098100, 1229872, 1537340, 1921675, 2196200, 3074680, 3843350, 4392400, 6149360, 7686700, 15373400, 30746800]

約数ペア:

[(1, 30746800), (2, 15373400), (4, 7686700), (5, 6149360), (7, 4392400), (8, 3843350), (10, 3074680), (14, 2196200), (16, 1921675), (20, 1537340), (25, 1229872), (28, 1098100), (35, 878480), (40, 768670), (50, 614936), (56, 549050), (70, 439240), (79, 389200), (80, 384335), (100, 307468), (112, 274525), (139, 221200), (140, 219620), (158, 194600), (175, 175696), (200, 153734), (278, 110600), (280, 109810), (316, 97300), (350, 87848), (395, 77840), (400, 76867), (553, 55600), (556, 55300), (560, 54905), (632, 48650), (695, 44240), (700, 43924), (790, 38920), (973, 31600), (1106, 27800), (1112, 27650), (1264, 24325), (1390, 22120), (1400, 21962), (1580, 19460), (1946, 15800), (1975, 15568), (2212, 13900), (2224, 13825), (2765, 11120), (2780, 11060), (2800, 10981), (3160, 9730), (3475, 8848), (3892, 7900), (3950, 7784), (4424, 6950), (4865, 6320), (5530, 5560)]