81661631688

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1780517}}^1$

素因数の和:1780556

約数の個数: 144

約数和(自身を含む): 277066405980

約数和(自身を除く): 195404774292

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 294, 312, 364, 392, 441, 468, 504, 546, 588, 637, 728, 819, 882, 936, 1092, 1176, 1274, 1638, 1764, 1911, 2184, 2548, 3276, 3528, 3822, 5096, 5733, 6552, 7644, 11466, 15288, 22932, 45864, 1780517, 3561034, 5341551, 7122068, 10683102, 12463619, 14244136, 16024653, 21366204, 23146721, 24927238, 32049306, 37390857, 42732408, 46293442, 49854476, 64098612, 69440163, 74781714, 87245333, 92586884, 99708952, 112172571, 128197224, 138880326, 149563428, 162027047, 174490666, 185173768, 208320489, 224345142, 261735999, 277760652, 299126856, 324054094, 348981332, 416640978, 448690284, 486081141, 523471998, 555521304, 648108188, 697962664, 785207997, 833281956, 897380568, 972162282, 1046943996, 1134189329, 1296216376, 1458243423, 1570415994, 1666563912, 1944324564, 2093887992, 2268378658, 2916486846, 3140831988, 3402567987, 3888649128, 4536757316, 5832973692, 6281663976, 6805135974, 9073514632, 10207703961, 11665947384, 13610271948, 20415407922, 27220543896, 40830815844, 81661631688]

約数ペア:

[(1, 81661631688), (2, 40830815844), (3, 27220543896), (4, 20415407922), (6, 13610271948), (7, 11665947384), (8, 10207703961), (9, 9073514632), (12, 6805135974), (13, 6281663976), (14, 5832973692), (18, 4536757316), (21, 3888649128), (24, 3402567987), (26, 3140831988), (28, 2916486846), (36, 2268378658), (39, 2093887992), (42, 1944324564), (49, 1666563912), (52, 1570415994), (56, 1458243423), (63, 1296216376), (72, 1134189329), (78, 1046943996), (84, 972162282), (91, 897380568), (98, 833281956), (104, 785207997), (117, 697962664), (126, 648108188), (147, 555521304), (156, 523471998), (168, 486081141), (182, 448690284), (196, 416640978), (234, 348981332), (252, 324054094), (273, 299126856), (294, 277760652), (312, 261735999), (364, 224345142), (392, 208320489), (441, 185173768), (468, 174490666), (504, 162027047), (546, 149563428), (588, 138880326), (637, 128197224), (728, 112172571), (819, 99708952), (882, 92586884), (936, 87245333), (1092, 74781714), (1176, 69440163), (1274, 64098612), (1638, 49854476), (1764, 46293442), (1911, 42732408), (2184, 37390857), (2548, 32049306), (3276, 24927238), (3528, 23146721), (3822, 21366204), (5096, 16024653), (5733, 14244136), (6552, 12463619), (7644, 10683102), (11466, 7122068), (15288, 5341551), (22932, 3561034), (45864, 1780517)]