1815674712

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 4794316800

約数和(自身を除く): 2978642088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 97, 124, 139, 181, 186, 194, 248, 278, 291, 362, 372, 388, 417, 543, 556, 582, 724, 744, 776, 834, 1086, 1112, 1164, 1448, 1668, 2172, 2328, 3007, 3336, 4309, 4344, 5611, 6014, 8618, 9021, 11222, 12028, 12927, 13483, 16833, 17236, 17557, 18042, 22444, 24056, 25159, 25854, 26966, 33666, 34472, 35114, 36084, 40449, 44888, 50318, 51708, 52671, 53932, 67332, 70228, 72168, 75477, 80898, 100636, 103416, 105342, 107864, 134664, 140456, 150954, 161796, 201272, 210684, 301908, 323592, 417973, 421368, 544267, 603816, 779929, 835946, 1088534, 1253919, 1559858, 1632801, 1671892, 2177068, 2339787, 2440423, 2507838, 3119716, 3265602, 3343784, 4354136, 4679574, 4880846, 5015676, 6239432, 6531204, 7321269, 9359148, 9761692, 10031352, 13062408, 14642538, 18718296, 19523384, 29285076, 58570152, 75653113, 151306226, 226959339, 302612452, 453918678, 605224904, 907837356, 1815674712]

約数ペア:

[(1, 1815674712), (2, 907837356), (3, 605224904), (4, 453918678), (6, 302612452), (8, 226959339), (12, 151306226), (24, 75653113), (31, 58570152), (62, 29285076), (93, 19523384), (97, 18718296), (124, 14642538), (139, 13062408), (181, 10031352), (186, 9761692), (194, 9359148), (248, 7321269), (278, 6531204), (291, 6239432), (362, 5015676), (372, 4880846), (388, 4679574), (417, 4354136), (543, 3343784), (556, 3265602), (582, 3119716), (724, 2507838), (744, 2440423), (776, 2339787), (834, 2177068), (1086, 1671892), (1112, 1632801), (1164, 1559858), (1448, 1253919), (1668, 1088534), (2172, 835946), (2328, 779929), (3007, 603816), (3336, 544267), (4309, 421368), (4344, 417973), (5611, 323592), (6014, 301908), (8618, 210684), (9021, 201272), (11222, 161796), (12028, 150954), (12927, 140456), (13483, 134664), (16833, 107864), (17236, 105342), (17557, 103416), (18042, 100636), (22444, 80898), (24056, 75477), (25159, 72168), (25854, 70228), (26966, 67332), (33666, 53932), (34472, 52671), (35114, 51708), (36084, 50318), (40449, 44888)]