30507720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 66260280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 93, 118, 120, 124, 139, 155, 177, 186, 236, 248, 278, 295, 310, 354, 372, 417, 465, 472, 556, 590, 620, 695, 708, 744, 834, 885, 930, 1112, 1180, 1240, 1390, 1416, 1668, 1770, 1829, 1860, 2085, 2360, 2780, 3336, 3540, 3658, 3720, 4170, 4309, 5487, 5560, 7080, 7316, 8201, 8340, 8618, 9145, 10974, 12927, 14632, 16402, 16680, 17236, 18290, 21545, 21948, 24603, 25854, 27435, 32804, 34472, 36580, 41005, 43090, 43896, 49206, 51708, 54870, 64635, 65608, 73160, 82010, 86180, 98412, 103416, 109740, 123015, 129270, 164020, 172360, 196824, 219480, 246030, 254231, 258540, 328040, 492060, 508462, 517080, 762693, 984120, 1016924, 1271155, 1525386, 2033848, 2542310, 3050772, 3813465, 5084620, 6101544, 7626930, 10169240, 15253860, 30507720]

約数ペア:

[(1, 30507720), (2, 15253860), (3, 10169240), (4, 7626930), (5, 6101544), (6, 5084620), (8, 3813465), (10, 3050772), (12, 2542310), (15, 2033848), (20, 1525386), (24, 1271155), (30, 1016924), (31, 984120), (40, 762693), (59, 517080), (60, 508462), (62, 492060), (93, 328040), (118, 258540), (120, 254231), (124, 246030), (139, 219480), (155, 196824), (177, 172360), (186, 164020), (236, 129270), (248, 123015), (278, 109740), (295, 103416), (310, 98412), (354, 86180), (372, 82010), (417, 73160), (465, 65608), (472, 64635), (556, 54870), (590, 51708), (620, 49206), (695, 43896), (708, 43090), (744, 41005), (834, 36580), (885, 34472), (930, 32804), (1112, 27435), (1180, 25854), (1240, 24603), (1390, 21948), (1416, 21545), (1668, 18290), (1770, 17236), (1829, 16680), (1860, 16402), (2085, 14632), (2360, 12927), (2780, 10974), (3336, 9145), (3540, 8618), (3658, 8340), (3720, 8201), (4170, 7316), (4309, 7080), (5487, 5560)]