18913380120

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{648607}}^1$

素因数の和:648636

約数の個数: 112

約数和(自身を含む): 63803568960

約数和(自身を除く): 44890188840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9720, 14580, 29160, 648607, 1297214, 1945821, 2594428, 3243035, 3891642, 5188856, 5837463, 6486070, 7783284, 9729105, 11674926, 12972140, 15566568, 17512389, 19458210, 23349852, 25944280, 29187315, 35024778, 38916420, 46699704, 52537167, 58374630, 70049556, 77832840, 87561945, 105074334, 116749260, 140099112, 157611501, 175123890, 210148668, 233498520, 262685835, 315223002, 350247780, 420297336, 472834503, 525371670, 630446004, 700495560, 788057505, 945669006, 1050743340, 1260892008, 1576115010, 1891338012, 2101486680, 2364172515, 3152230020, 3782676024, 4728345030, 6304460040, 9456690060, 18913380120]

約数ペア:

[(1, 18913380120), (2, 9456690060), (3, 6304460040), (4, 4728345030), (5, 3782676024), (6, 3152230020), (8, 2364172515), (9, 2101486680), (10, 1891338012), (12, 1576115010), (15, 1260892008), (18, 1050743340), (20, 945669006), (24, 788057505), (27, 700495560), (30, 630446004), (36, 525371670), (40, 472834503), (45, 420297336), (54, 350247780), (60, 315223002), (72, 262685835), (81, 233498520), (90, 210148668), (108, 175123890), (120, 157611501), (135, 140099112), (162, 116749260), (180, 105074334), (216, 87561945), (243, 77832840), (270, 70049556), (324, 58374630), (360, 52537167), (405, 46699704), (486, 38916420), (540, 35024778), (648, 29187315), (729, 25944280), (810, 23349852), (972, 19458210), (1080, 17512389), (1215, 15566568), (1458, 12972140), (1620, 11674926), (1944, 9729105), (2430, 7783284), (2916, 6486070), (3240, 5837463), (3645, 5188856), (4860, 3891642), (5832, 3243035), (7290, 2594428), (9720, 1945821), (14580, 1297214), (29160, 648607)]