260886780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2689}}^1$

素因数の和:2729

約数の個数: 216

約数和(自身を含む): 1004618160

約数和(自身を除く): 743731380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1764, 1980, 2156, 2205, 2310, 2689, 2695, 2772, 2940, 3234, 3465, 4410, 4620, 4851, 5378, 5390, 6468, 6930, 8067, 8085, 8820, 9702, 10756, 10780, 13445, 13860, 16134, 16170, 18823, 19404, 24201, 24255, 26890, 29579, 32268, 32340, 37646, 40335, 48402, 48510, 53780, 56469, 59158, 75292, 80670, 88737, 94115, 96804, 97020, 112938, 118316, 121005, 131761, 147895, 161340, 169407, 177474, 188230, 207053, 225876, 242010, 263522, 266211, 282345, 295790, 338814, 354948, 376460, 395283, 414106, 443685, 484020, 527044, 532422, 564690, 591580, 621159, 658805, 677628, 790566, 828212, 847035, 887370, 1035265, 1064844, 1129380, 1185849, 1242318, 1317610, 1331055, 1449371, 1581132, 1694070, 1774740, 1863477, 1976415, 2070530, 2371698, 2484636, 2635220, 2662110, 2898742, 3105795, 3388140, 3726954, 3952830, 4141060, 4348113, 4743396, 5324220, 5797484, 5929245, 6211590, 7246855, 7453908, 7905660, 8696226, 9317385, 11858490, 12423180, 13044339, 14493710, 17392452, 18634770, 21740565, 23716980, 26088678, 28987420, 37269540, 43481130, 52177356, 65221695, 86962260, 130443390, 260886780]

約数ペア:

[(1, 260886780), (2, 130443390), (3, 86962260), (4, 65221695), (5, 52177356), (6, 43481130), (7, 37269540), (9, 28987420), (10, 26088678), (11, 23716980), (12, 21740565), (14, 18634770), (15, 17392452), (18, 14493710), (20, 13044339), (21, 12423180), (22, 11858490), (28, 9317385), (30, 8696226), (33, 7905660), (35, 7453908), (36, 7246855), (42, 6211590), (44, 5929245), (45, 5797484), (49, 5324220), (55, 4743396), (60, 4348113), (63, 4141060), (66, 3952830), (70, 3726954), (77, 3388140), (84, 3105795), (90, 2898742), (98, 2662110), (99, 2635220), (105, 2484636), (110, 2371698), (126, 2070530), (132, 1976415), (140, 1863477), (147, 1774740), (154, 1694070), (165, 1581132), (180, 1449371), (196, 1331055), (198, 1317610), (210, 1242318), (220, 1185849), (231, 1129380), (245, 1064844), (252, 1035265), (294, 887370), (308, 847035), (315, 828212), (330, 790566), (385, 677628), (396, 658805), (420, 621159), (441, 591580), (462, 564690), (490, 532422), (495, 527044), (539, 484020), (588, 443685), (630, 414106), (660, 395283), (693, 376460), (735, 354948), (770, 338814), (882, 295790), (924, 282345), (980, 266211), (990, 263522), (1078, 242010), (1155, 225876), (1260, 207053), (1386, 188230), (1470, 177474), (1540, 169407), (1617, 161340), (1764, 147895), (1980, 131761), (2156, 121005), (2205, 118316), (2310, 112938), (2689, 97020), (2695, 96804), (2772, 94115), (2940, 88737), (3234, 80670), (3465, 75292), (4410, 59158), (4620, 56469), (4851, 53780), (5378, 48510), (5390, 48402), (6468, 40335), (6930, 37646), (8067, 32340), (8085, 32268), (8820, 29579), (9702, 26890), (10756, 24255), (10780, 24201), (13445, 19404), (13860, 18823), (16134, 16170)]