81797850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1106

約数の個数: 120

約数和(自身を含む): 239463840

約数和(自身を除く): 157665990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 270, 285, 342, 405, 450, 475, 513, 570, 675, 810, 855, 950, 1026, 1063, 1350, 1425, 1539, 1710, 2025, 2126, 2565, 2850, 3078, 3189, 4050, 4275, 5130, 5315, 6378, 7695, 8550, 9567, 10630, 12825, 15390, 15945, 19134, 20197, 25650, 26575, 28701, 31890, 38475, 40394, 47835, 53150, 57402, 60591, 76950, 79725, 86103, 95670, 100985, 121182, 143505, 159450, 172206, 181773, 201970, 239175, 287010, 302955, 363546, 430515, 478350, 504925, 545319, 605910, 717525, 861030, 908865, 1009850, 1090638, 1435050, 1514775, 1635957, 1817730, 2152575, 2726595, 3029550, 3271914, 4305150, 4544325, 5453190, 8179785, 9088650, 13632975, 16359570, 27265950, 40898925, 81797850]

約数ペア:

[(1, 81797850), (2, 40898925), (3, 27265950), (5, 16359570), (6, 13632975), (9, 9088650), (10, 8179785), (15, 5453190), (18, 4544325), (19, 4305150), (25, 3271914), (27, 3029550), (30, 2726595), (38, 2152575), (45, 1817730), (50, 1635957), (54, 1514775), (57, 1435050), (75, 1090638), (81, 1009850), (90, 908865), (95, 861030), (114, 717525), (135, 605910), (150, 545319), (162, 504925), (171, 478350), (190, 430515), (225, 363546), (270, 302955), (285, 287010), (342, 239175), (405, 201970), (450, 181773), (475, 172206), (513, 159450), (570, 143505), (675, 121182), (810, 100985), (855, 95670), (950, 86103), (1026, 79725), (1063, 76950), (1350, 60591), (1425, 57402), (1539, 53150), (1710, 47835), (2025, 40394), (2126, 38475), (2565, 31890), (2850, 28701), (3078, 26575), (3189, 25650), (4050, 20197), (4275, 19134), (5130, 15945), (5315, 15390), (6378, 12825), (7695, 10630), (8550, 9567)]