16765980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 61931520

約数和(自身を除く): 45165540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 191, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 382, 385, 399, 418, 420, 462, 532, 570, 573, 627, 660, 665, 764, 770, 798, 836, 924, 955, 1045, 1140, 1146, 1155, 1254, 1330, 1337, 1463, 1540, 1596, 1910, 1995, 2090, 2101, 2292, 2310, 2508, 2660, 2674, 2865, 2926, 3135, 3629, 3820, 3990, 4011, 4180, 4202, 4389, 4620, 5348, 5730, 5852, 6270, 6303, 6685, 7258, 7315, 7980, 8022, 8404, 8778, 10505, 10887, 11460, 12540, 12606, 13370, 14516, 14630, 14707, 16044, 17556, 18145, 20055, 21010, 21774, 21945, 25212, 25403, 26740, 29260, 29414, 31515, 36290, 39919, 40110, 42020, 43548, 43890, 44121, 50806, 54435, 58828, 63030, 72580, 73535, 76209, 79838, 80220, 87780, 88242, 101612, 108870, 119757, 126060, 127015, 147070, 152418, 159676, 176484, 199595, 217740, 220605, 239514, 254030, 279433, 294140, 304836, 381045, 399190, 441210, 479028, 508060, 558866, 598785, 762090, 798380, 838299, 882420, 1117732, 1197570, 1397165, 1524180, 1676598, 2395140, 2794330, 3353196, 4191495, 5588660, 8382990, 16765980]

約数ペア:

[(1, 16765980), (2, 8382990), (3, 5588660), (4, 4191495), (5, 3353196), (6, 2794330), (7, 2395140), (10, 1676598), (11, 1524180), (12, 1397165), (14, 1197570), (15, 1117732), (19, 882420), (20, 838299), (21, 798380), (22, 762090), (28, 598785), (30, 558866), (33, 508060), (35, 479028), (38, 441210), (42, 399190), (44, 381045), (55, 304836), (57, 294140), (60, 279433), (66, 254030), (70, 239514), (76, 220605), (77, 217740), (84, 199595), (95, 176484), (105, 159676), (110, 152418), (114, 147070), (132, 127015), (133, 126060), (140, 119757), (154, 108870), (165, 101612), (190, 88242), (191, 87780), (209, 80220), (210, 79838), (220, 76209), (228, 73535), (231, 72580), (266, 63030), (285, 58828), (308, 54435), (330, 50806), (380, 44121), (382, 43890), (385, 43548), (399, 42020), (418, 40110), (420, 39919), (462, 36290), (532, 31515), (570, 29414), (573, 29260), (627, 26740), (660, 25403), (665, 25212), (764, 21945), (770, 21774), (798, 21010), (836, 20055), (924, 18145), (955, 17556), (1045, 16044), (1140, 14707), (1146, 14630), (1155, 14516), (1254, 13370), (1330, 12606), (1337, 12540), (1463, 11460), (1540, 10887), (1596, 10505), (1910, 8778), (1995, 8404), (2090, 8022), (2101, 7980), (2292, 7315), (2310, 7258), (2508, 6685), (2660, 6303), (2674, 6270), (2865, 5852), (2926, 5730), (3135, 5348), (3629, 4620), (3820, 4389), (3990, 4202), (4011, 4180)]