30915720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 113106240

約数和(自身を除く): 82190520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 37, 40, 44, 45, 55, 60, 66, 72, 74, 88, 90, 99, 110, 111, 120, 132, 148, 165, 180, 185, 198, 211, 220, 222, 264, 296, 330, 333, 360, 370, 396, 407, 422, 440, 444, 495, 555, 633, 660, 666, 740, 792, 814, 844, 888, 990, 1055, 1110, 1221, 1266, 1320, 1332, 1480, 1628, 1665, 1688, 1899, 1980, 2035, 2110, 2220, 2321, 2442, 2532, 2664, 3165, 3256, 3330, 3663, 3798, 3960, 4070, 4220, 4440, 4642, 4884, 5064, 6105, 6330, 6660, 6963, 7326, 7596, 7807, 8140, 8440, 9284, 9495, 9768, 11605, 12210, 12660, 13320, 13926, 14652, 15192, 15614, 16280, 18315, 18568, 18990, 20889, 23210, 23421, 24420, 25320, 27852, 29304, 31228, 34815, 36630, 37980, 39035, 41778, 46420, 46842, 48840, 55704, 62456, 69630, 70263, 73260, 75960, 78070, 83556, 85877, 92840, 93684, 104445, 117105, 139260, 140526, 146520, 156140, 167112, 171754, 187368, 208890, 234210, 257631, 278520, 281052, 312280, 343508, 351315, 417780, 429385, 468420, 515262, 562104, 687016, 702630, 772893, 835560, 858770, 936840, 1030524, 1288155, 1405260, 1545786, 1717540, 2061048, 2576310, 2810520, 3091572, 3435080, 3864465, 5152620, 6183144, 7728930, 10305240, 15457860, 30915720]

約数ペア:

[(1, 30915720), (2, 15457860), (3, 10305240), (4, 7728930), (5, 6183144), (6, 5152620), (8, 3864465), (9, 3435080), (10, 3091572), (11, 2810520), (12, 2576310), (15, 2061048), (18, 1717540), (20, 1545786), (22, 1405260), (24, 1288155), (30, 1030524), (33, 936840), (36, 858770), (37, 835560), (40, 772893), (44, 702630), (45, 687016), (55, 562104), (60, 515262), (66, 468420), (72, 429385), (74, 417780), (88, 351315), (90, 343508), (99, 312280), (110, 281052), (111, 278520), (120, 257631), (132, 234210), (148, 208890), (165, 187368), (180, 171754), (185, 167112), (198, 156140), (211, 146520), (220, 140526), (222, 139260), (264, 117105), (296, 104445), (330, 93684), (333, 92840), (360, 85877), (370, 83556), (396, 78070), (407, 75960), (422, 73260), (440, 70263), (444, 69630), (495, 62456), (555, 55704), (633, 48840), (660, 46842), (666, 46420), (740, 41778), (792, 39035), (814, 37980), (844, 36630), (888, 34815), (990, 31228), (1055, 29304), (1110, 27852), (1221, 25320), (1266, 24420), (1320, 23421), (1332, 23210), (1480, 20889), (1628, 18990), (1665, 18568), (1688, 18315), (1899, 16280), (1980, 15614), (2035, 15192), (2110, 14652), (2220, 13926), (2321, 13320), (2442, 12660), (2532, 12210), (2664, 11605), (3165, 9768), (3256, 9495), (3330, 9284), (3663, 8440), (3798, 8140), (3960, 7807), (4070, 7596), (4220, 7326), (4440, 6963), (4642, 6660), (4884, 6330), (5064, 6105)]