168991020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7759}}^1$

素因数の和:7796

約数の個数: 108

約数和(自身を含む): 563515680

約数和(自身を除く): 394524660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 7759, 10890, 15518, 21780, 23277, 31036, 38795, 46554, 69831, 77590, 85349, 93108, 116385, 139662, 155180, 170698, 232770, 256047, 279324, 341396, 349155, 426745, 465540, 512094, 698310, 768141, 853490, 938839, 1024188, 1280235, 1396620, 1536282, 1706980, 1877678, 2560470, 2816517, 3072564, 3755356, 3840705, 4694195, 5120940, 5633034, 7681410, 8449551, 9388390, 11266068, 14082585, 15362820, 16899102, 18776780, 28165170, 33798204, 42247755, 56330340, 84495510, 168991020]

約数ペア:

[(1, 168991020), (2, 84495510), (3, 56330340), (4, 42247755), (5, 33798204), (6, 28165170), (9, 18776780), (10, 16899102), (11, 15362820), (12, 14082585), (15, 11266068), (18, 9388390), (20, 8449551), (22, 7681410), (30, 5633034), (33, 5120940), (36, 4694195), (44, 3840705), (45, 3755356), (55, 3072564), (60, 2816517), (66, 2560470), (90, 1877678), (99, 1706980), (110, 1536282), (121, 1396620), (132, 1280235), (165, 1024188), (180, 938839), (198, 853490), (220, 768141), (242, 698310), (330, 512094), (363, 465540), (396, 426745), (484, 349155), (495, 341396), (605, 279324), (660, 256047), (726, 232770), (990, 170698), (1089, 155180), (1210, 139662), (1452, 116385), (1815, 93108), (1980, 85349), (2178, 77590), (2420, 69831), (3630, 46554), (4356, 38795), (5445, 31036), (7260, 23277), (7759, 21780), (10890, 15518)]