81492180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 294174720

約数和(自身を除く): 212682540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 308, 310, 330, 341, 372, 385, 420, 434, 462, 465, 569, 620, 651, 660, 682, 770, 868, 924, 930, 1023, 1085, 1138, 1155, 1302, 1364, 1540, 1705, 1707, 1860, 2046, 2170, 2276, 2310, 2387, 2604, 2845, 3255, 3410, 3414, 3983, 4092, 4340, 4620, 4774, 5115, 5690, 6259, 6510, 6820, 6828, 7161, 7966, 8535, 9548, 10230, 11380, 11935, 11949, 12518, 13020, 14322, 15932, 17070, 17639, 18777, 19915, 20460, 23870, 23898, 25036, 28644, 31295, 34140, 35278, 35805, 37554, 39830, 43813, 47740, 47796, 52917, 59745, 62590, 70556, 71610, 75108, 79660, 87626, 88195, 93885, 105834, 119490, 123473, 125180, 131439, 143220, 175252, 176390, 187770, 194029, 211668, 219065, 238980, 246946, 262878, 264585, 352780, 370419, 375540, 388058, 438130, 493892, 525756, 529170, 582087, 617365, 657195, 740838, 776116, 876260, 970145, 1058340, 1164174, 1234730, 1314390, 1358203, 1481676, 1852095, 1940290, 2328348, 2469460, 2628780, 2716406, 2910435, 3704190, 3880580, 4074609, 5432812, 5820870, 6791015, 7408380, 8149218, 11641740, 13582030, 16298436, 20373045, 27164060, 40746090, 81492180]

約数ペア:

[(1, 81492180), (2, 40746090), (3, 27164060), (4, 20373045), (5, 16298436), (6, 13582030), (7, 11641740), (10, 8149218), (11, 7408380), (12, 6791015), (14, 5820870), (15, 5432812), (20, 4074609), (21, 3880580), (22, 3704190), (28, 2910435), (30, 2716406), (31, 2628780), (33, 2469460), (35, 2328348), (42, 1940290), (44, 1852095), (55, 1481676), (60, 1358203), (62, 1314390), (66, 1234730), (70, 1164174), (77, 1058340), (84, 970145), (93, 876260), (105, 776116), (110, 740838), (124, 657195), (132, 617365), (140, 582087), (154, 529170), (155, 525756), (165, 493892), (186, 438130), (210, 388058), (217, 375540), (220, 370419), (231, 352780), (308, 264585), (310, 262878), (330, 246946), (341, 238980), (372, 219065), (385, 211668), (420, 194029), (434, 187770), (462, 176390), (465, 175252), (569, 143220), (620, 131439), (651, 125180), (660, 123473), (682, 119490), (770, 105834), (868, 93885), (924, 88195), (930, 87626), (1023, 79660), (1085, 75108), (1138, 71610), (1155, 70556), (1302, 62590), (1364, 59745), (1540, 52917), (1705, 47796), (1707, 47740), (1860, 43813), (2046, 39830), (2170, 37554), (2276, 35805), (2310, 35278), (2387, 34140), (2604, 31295), (2845, 28644), (3255, 25036), (3410, 23898), (3414, 23870), (3983, 20460), (4092, 19915), (4340, 18777), (4620, 17639), (4774, 17070), (5115, 15932), (5690, 14322), (6259, 13020), (6510, 12518), (6820, 11949), (6828, 11935), (7161, 11380), (7966, 10230), (8535, 9548)]