81962760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2059

約数の個数: 128

約数和(自身を含む): 277032960

約数和(自身を除く): 195070200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2003, 2046, 2728, 3410, 3720, 4006, 4092, 5115, 6009, 6820, 8012, 8184, 10015, 10230, 12018, 13640, 16024, 20030, 20460, 22033, 24036, 30045, 40060, 40920, 44066, 48072, 60090, 62093, 66099, 80120, 88132, 110165, 120180, 124186, 132198, 176264, 186279, 220330, 240360, 248372, 264396, 310465, 330495, 372558, 440660, 496744, 528792, 620930, 660990, 683023, 745116, 881320, 931395, 1241860, 1321980, 1366046, 1490232, 1862790, 2049069, 2483720, 2643960, 2732092, 3415115, 3725580, 4098138, 5464184, 6830230, 7451160, 8196276, 10245345, 13660460, 16392552, 20490690, 27320920, 40981380, 81962760]

約数ペア:

[(1, 81962760), (2, 40981380), (3, 27320920), (4, 20490690), (5, 16392552), (6, 13660460), (8, 10245345), (10, 8196276), (11, 7451160), (12, 6830230), (15, 5464184), (20, 4098138), (22, 3725580), (24, 3415115), (30, 2732092), (31, 2643960), (33, 2483720), (40, 2049069), (44, 1862790), (55, 1490232), (60, 1366046), (62, 1321980), (66, 1241860), (88, 931395), (93, 881320), (110, 745116), (120, 683023), (124, 660990), (132, 620930), (155, 528792), (165, 496744), (186, 440660), (220, 372558), (248, 330495), (264, 310465), (310, 264396), (330, 248372), (341, 240360), (372, 220330), (440, 186279), (465, 176264), (620, 132198), (660, 124186), (682, 120180), (744, 110165), (930, 88132), (1023, 80120), (1240, 66099), (1320, 62093), (1364, 60090), (1705, 48072), (1860, 44066), (2003, 40920), (2046, 40060), (2728, 30045), (3410, 24036), (3720, 22033), (4006, 20460), (4092, 20030), (5115, 16024), (6009, 13640), (6820, 12018), (8012, 10230), (8184, 10015)]