164880870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 497912832

約数和(自身を除く): 333031962

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 137, 154, 165, 210, 231, 274, 330, 385, 411, 462, 521, 685, 770, 822, 959, 1042, 1155, 1370, 1507, 1563, 1918, 2055, 2310, 2605, 2877, 3014, 3126, 3647, 4110, 4521, 4795, 5210, 5731, 5754, 7294, 7535, 7815, 9042, 9590, 10549, 10941, 11462, 14385, 15070, 15630, 17193, 18235, 21098, 21882, 22605, 28655, 28770, 31647, 34386, 36470, 40117, 45210, 52745, 54705, 57310, 63294, 71377, 80234, 85965, 105490, 109410, 120351, 142754, 158235, 171930, 200585, 214131, 240702, 316470, 356885, 401170, 428262, 499639, 601755, 713770, 785147, 999278, 1070655, 1203510, 1498917, 1570294, 2141310, 2355441, 2498195, 2997834, 3925735, 4710882, 4996390, 5496029, 7494585, 7851470, 10992058, 11777205, 14989170, 16488087, 23554410, 27480145, 32976174, 54960290, 82440435, 164880870]

約数ペア:

[(1, 164880870), (2, 82440435), (3, 54960290), (5, 32976174), (6, 27480145), (7, 23554410), (10, 16488087), (11, 14989170), (14, 11777205), (15, 10992058), (21, 7851470), (22, 7494585), (30, 5496029), (33, 4996390), (35, 4710882), (42, 3925735), (55, 2997834), (66, 2498195), (70, 2355441), (77, 2141310), (105, 1570294), (110, 1498917), (137, 1203510), (154, 1070655), (165, 999278), (210, 785147), (231, 713770), (274, 601755), (330, 499639), (385, 428262), (411, 401170), (462, 356885), (521, 316470), (685, 240702), (770, 214131), (822, 200585), (959, 171930), (1042, 158235), (1155, 142754), (1370, 120351), (1507, 109410), (1563, 105490), (1918, 85965), (2055, 80234), (2310, 71377), (2605, 63294), (2877, 57310), (3014, 54705), (3126, 52745), (3647, 45210), (4110, 40117), (4521, 36470), (4795, 34386), (5210, 31647), (5731, 28770), (5754, 28655), (7294, 22605), (7535, 21882), (7815, 21098), (9042, 18235), (9590, 17193), (10549, 15630), (10941, 15070), (11462, 14385)]