121815900

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{557}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 397162080

約数和(自身を除く): 275346180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 557, 675, 729, 810, 900, 972, 1114, 1215, 1350, 1458, 1620, 1671, 2025, 2187, 2228, 2430, 2700, 2785, 2916, 3342, 3645, 4050, 4374, 4860, 5013, 5570, 6075, 6684, 7290, 8100, 8355, 8748, 10026, 10935, 11140, 12150, 13925, 14580, 15039, 16710, 18225, 20052, 21870, 24300, 25065, 27850, 30078, 33420, 36450, 41775, 43740, 45117, 50130, 54675, 55700, 60156, 72900, 75195, 83550, 90234, 100260, 109350, 125325, 135351, 150390, 167100, 180468, 218700, 225585, 250650, 270702, 300780, 375975, 406053, 451170, 501300, 541404, 676755, 751950, 812106, 902340, 1127925, 1218159, 1353510, 1503900, 1624212, 2030265, 2255850, 2436318, 2707020, 3383775, 4060530, 4511700, 4872636, 6090795, 6767550, 8121060, 10151325, 12181590, 13535100, 20302650, 24363180, 30453975, 40605300, 60907950, 121815900]

約数ペア:

[(1, 121815900), (2, 60907950), (3, 40605300), (4, 30453975), (5, 24363180), (6, 20302650), (9, 13535100), (10, 12181590), (12, 10151325), (15, 8121060), (18, 6767550), (20, 6090795), (25, 4872636), (27, 4511700), (30, 4060530), (36, 3383775), (45, 2707020), (50, 2436318), (54, 2255850), (60, 2030265), (75, 1624212), (81, 1503900), (90, 1353510), (100, 1218159), (108, 1127925), (135, 902340), (150, 812106), (162, 751950), (180, 676755), (225, 541404), (243, 501300), (270, 451170), (300, 406053), (324, 375975), (405, 300780), (450, 270702), (486, 250650), (540, 225585), (557, 218700), (675, 180468), (729, 167100), (810, 150390), (900, 135351), (972, 125325), (1114, 109350), (1215, 100260), (1350, 90234), (1458, 83550), (1620, 75195), (1671, 72900), (2025, 60156), (2187, 55700), (2228, 54675), (2430, 50130), (2700, 45117), (2785, 43740), (2916, 41775), (3342, 36450), (3645, 33420), (4050, 30078), (4374, 27850), (4860, 25065), (5013, 24300), (5570, 21870), (6075, 20052), (6684, 18225), (7290, 16710), (8100, 15039), (8355, 14580), (8748, 13925), (10026, 12150), (10935, 11140)]