28398480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 99422208

約数和(自身を除く): 71023728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 347, 372, 440, 465, 496, 528, 620, 660, 682, 694, 744, 880, 930, 1023, 1041, 1240, 1320, 1364, 1388, 1488, 1705, 1735, 1860, 2046, 2082, 2480, 2640, 2728, 2776, 3410, 3470, 3720, 3817, 4092, 4164, 5115, 5205, 5456, 5552, 6820, 6940, 7440, 7634, 8184, 8328, 10230, 10410, 10757, 11451, 13640, 13880, 15268, 16368, 16656, 19085, 20460, 20820, 21514, 22902, 27280, 27760, 30536, 32271, 38170, 40920, 41640, 43028, 45804, 53785, 57255, 61072, 64542, 76340, 81840, 83280, 86056, 91608, 107570, 114510, 118327, 129084, 152680, 161355, 172112, 183216, 215140, 229020, 236654, 258168, 305360, 322710, 354981, 430280, 458040, 473308, 516336, 591635, 645420, 709962, 860560, 916080, 946616, 1183270, 1290840, 1419924, 1774905, 1893232, 2366540, 2581680, 2839848, 3549810, 4733080, 5679696, 7099620, 9466160, 14199240, 28398480]

約数ペア:

[(1, 28398480), (2, 14199240), (3, 9466160), (4, 7099620), (5, 5679696), (6, 4733080), (8, 3549810), (10, 2839848), (11, 2581680), (12, 2366540), (15, 1893232), (16, 1774905), (20, 1419924), (22, 1290840), (24, 1183270), (30, 946616), (31, 916080), (33, 860560), (40, 709962), (44, 645420), (48, 591635), (55, 516336), (60, 473308), (62, 458040), (66, 430280), (80, 354981), (88, 322710), (93, 305360), (110, 258168), (120, 236654), (124, 229020), (132, 215140), (155, 183216), (165, 172112), (176, 161355), (186, 152680), (220, 129084), (240, 118327), (248, 114510), (264, 107570), (310, 91608), (330, 86056), (341, 83280), (347, 81840), (372, 76340), (440, 64542), (465, 61072), (496, 57255), (528, 53785), (620, 45804), (660, 43028), (682, 41640), (694, 40920), (744, 38170), (880, 32271), (930, 30536), (1023, 27760), (1041, 27280), (1240, 22902), (1320, 21514), (1364, 20820), (1388, 20460), (1488, 19085), (1705, 16656), (1735, 16368), (1860, 15268), (2046, 13880), (2082, 13640), (2480, 11451), (2640, 10757), (2728, 10410), (2776, 10230), (3410, 8328), (3470, 8184), (3720, 7634), (3817, 7440), (4092, 6940), (4164, 6820), (5115, 5552), (5205, 5456)]