991327920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12113}}^1$

素因数の和:12171

約数の個数: 160

約数和(自身を含む): 3460921344

約数和(自身を除く): 2469593424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2728, 3410, 3720, 4092, 5115, 5456, 6820, 7440, 8184, 10230, 12113, 13640, 16368, 20460, 24226, 27280, 36339, 40920, 48452, 60565, 72678, 81840, 96904, 121130, 133243, 145356, 181695, 193808, 242260, 266486, 290712, 363390, 375503, 399729, 484520, 532972, 581424, 666215, 726780, 751006, 799458, 969040, 1065944, 1126509, 1332430, 1453560, 1502012, 1598916, 1877515, 1998645, 2131888, 2253018, 2664860, 2907120, 3004024, 3197832, 3755030, 3997290, 4130533, 4506036, 5329720, 5632545, 6008048, 6395664, 7510060, 7994580, 8261066, 9012072, 10659440, 11265090, 12391599, 15020120, 15989160, 16522132, 18024144, 20652665, 22530180, 24783198, 30040240, 31978320, 33044264, 41305330, 45060360, 49566396, 61957995, 66088528, 82610660, 90120720, 99132792, 123915990, 165221320, 198265584, 247831980, 330442640, 495663960, 991327920]

約数ペア:

[(1, 991327920), (2, 495663960), (3, 330442640), (4, 247831980), (5, 198265584), (6, 165221320), (8, 123915990), (10, 99132792), (11, 90120720), (12, 82610660), (15, 66088528), (16, 61957995), (20, 49566396), (22, 45060360), (24, 41305330), (30, 33044264), (31, 31978320), (33, 30040240), (40, 24783198), (44, 22530180), (48, 20652665), (55, 18024144), (60, 16522132), (62, 15989160), (66, 15020120), (80, 12391599), (88, 11265090), (93, 10659440), (110, 9012072), (120, 8261066), (124, 7994580), (132, 7510060), (155, 6395664), (165, 6008048), (176, 5632545), (186, 5329720), (220, 4506036), (240, 4130533), (248, 3997290), (264, 3755030), (310, 3197832), (330, 3004024), (341, 2907120), (372, 2664860), (440, 2253018), (465, 2131888), (496, 1998645), (528, 1877515), (620, 1598916), (660, 1502012), (682, 1453560), (744, 1332430), (880, 1126509), (930, 1065944), (1023, 969040), (1240, 799458), (1320, 751006), (1364, 726780), (1488, 666215), (1705, 581424), (1860, 532972), (2046, 484520), (2480, 399729), (2640, 375503), (2728, 363390), (3410, 290712), (3720, 266486), (4092, 242260), (5115, 193808), (5456, 181695), (6820, 145356), (7440, 133243), (8184, 121130), (10230, 96904), (12113, 81840), (13640, 72678), (16368, 60565), (20460, 48452), (24226, 40920), (27280, 36339)]