168992780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 406425600

約数和(自身を除く): 237432820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 71, 110, 124, 142, 155, 220, 284, 310, 341, 349, 355, 620, 682, 698, 710, 781, 1364, 1396, 1420, 1562, 1705, 1745, 2201, 3124, 3410, 3490, 3839, 3905, 4402, 6820, 6980, 7678, 7810, 8804, 10819, 11005, 15356, 15620, 19195, 21638, 22010, 24211, 24779, 38390, 43276, 44020, 48422, 49558, 54095, 76780, 96844, 99116, 108190, 119009, 121055, 123895, 216380, 238018, 242110, 247790, 272569, 476036, 484220, 495580, 545138, 595045, 768149, 1090276, 1190090, 1362845, 1536298, 2380180, 2725690, 3072596, 3840745, 5451380, 7681490, 8449639, 15362980, 16899278, 33798556, 42248195, 84496390, 168992780]

約数ペア:

[(1, 168992780), (2, 84496390), (4, 42248195), (5, 33798556), (10, 16899278), (11, 15362980), (20, 8449639), (22, 7681490), (31, 5451380), (44, 3840745), (55, 3072596), (62, 2725690), (71, 2380180), (110, 1536298), (124, 1362845), (142, 1190090), (155, 1090276), (220, 768149), (284, 595045), (310, 545138), (341, 495580), (349, 484220), (355, 476036), (620, 272569), (682, 247790), (698, 242110), (710, 238018), (781, 216380), (1364, 123895), (1396, 121055), (1420, 119009), (1562, 108190), (1705, 99116), (1745, 96844), (2201, 76780), (3124, 54095), (3410, 49558), (3490, 48422), (3839, 44020), (3905, 43276), (4402, 38390), (6820, 24779), (6980, 24211), (7678, 22010), (7810, 21638), (8804, 19195), (10819, 15620), (11005, 15356)]