4951980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 17061408

約数和(自身を除く): 12109428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 61, 66, 82, 90, 99, 110, 122, 123, 132, 164, 165, 180, 183, 198, 205, 220, 244, 246, 305, 330, 366, 369, 396, 410, 451, 492, 495, 549, 610, 615, 660, 671, 732, 738, 820, 902, 915, 990, 1098, 1220, 1230, 1342, 1353, 1476, 1804, 1830, 1845, 1980, 2013, 2196, 2255, 2460, 2501, 2684, 2706, 2745, 3355, 3660, 3690, 4026, 4059, 4510, 5002, 5412, 5490, 6039, 6710, 6765, 7380, 7503, 8052, 8118, 9020, 10004, 10065, 10980, 12078, 12505, 13420, 13530, 15006, 16236, 20130, 20295, 22509, 24156, 25010, 27060, 27511, 30012, 30195, 37515, 40260, 40590, 45018, 50020, 55022, 60390, 75030, 81180, 82533, 90036, 110044, 112545, 120780, 137555, 150060, 165066, 225090, 247599, 275110, 330132, 412665, 450180, 495198, 550220, 825330, 990396, 1237995, 1650660, 2475990, 4951980]

約数ペア:

[(1, 4951980), (2, 2475990), (3, 1650660), (4, 1237995), (5, 990396), (6, 825330), (9, 550220), (10, 495198), (11, 450180), (12, 412665), (15, 330132), (18, 275110), (20, 247599), (22, 225090), (30, 165066), (33, 150060), (36, 137555), (41, 120780), (44, 112545), (45, 110044), (55, 90036), (60, 82533), (61, 81180), (66, 75030), (82, 60390), (90, 55022), (99, 50020), (110, 45018), (122, 40590), (123, 40260), (132, 37515), (164, 30195), (165, 30012), (180, 27511), (183, 27060), (198, 25010), (205, 24156), (220, 22509), (244, 20295), (246, 20130), (305, 16236), (330, 15006), (366, 13530), (369, 13420), (396, 12505), (410, 12078), (451, 10980), (492, 10065), (495, 10004), (549, 9020), (610, 8118), (615, 8052), (660, 7503), (671, 7380), (732, 6765), (738, 6710), (820, 6039), (902, 5490), (915, 5412), (990, 5002), (1098, 4510), (1220, 4059), (1230, 4026), (1342, 3690), (1353, 3660), (1476, 3355), (1804, 2745), (1830, 2706), (1845, 2684), (1980, 2501), (2013, 2460), (2196, 2255)]