1225195020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4541

約数の個数: 216

約数和(自身を含む): 4463641728

約数和(自身を除く): 3238446708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1260, 1302, 1395, 1470, 1519, 1764, 1860, 1953, 2170, 2205, 2604, 2790, 2940, 3038, 3255, 3906, 4340, 4410, 4481, 4557, 5580, 6076, 6510, 7595, 7812, 8820, 8962, 9114, 9765, 13020, 13443, 13671, 15190, 17924, 18228, 19530, 22405, 22785, 26886, 27342, 30380, 31367, 39060, 40329, 44810, 45570, 53772, 54684, 62734, 67215, 68355, 80658, 89620, 91140, 94101, 125468, 134430, 136710, 138911, 156835, 161316, 188202, 201645, 219569, 268860, 273420, 277822, 282303, 313670, 376404, 403290, 416733, 439138, 470505, 555644, 564606, 627340, 658707, 694555, 806580, 833466, 878276, 941010, 972377, 1097845, 1129212, 1250199, 1317414, 1389110, 1411515, 1666932, 1882020, 1944754, 1976121, 2083665, 2195690, 2500398, 2634828, 2778220, 2823030, 2917131, 3293535, 3889508, 3952242, 4167330, 4391380, 4861885, 5000796, 5646060, 5834262, 6250995, 6587070, 6806639, 7904484, 8334660, 8751393, 9723770, 9880605, 11668524, 12501990, 13174140, 13613278, 14585655, 17502786, 19447540, 19761210, 20419917, 25003980, 27226556, 29171310, 34033195, 35005572, 39522420, 40839834, 43756965, 58342620, 61259751, 68066390, 81679668, 87513930, 102099585, 122519502, 136132780, 175027860, 204199170, 245039004, 306298755, 408398340, 612597510, 1225195020]

約数ペア:

[(1, 1225195020), (2, 612597510), (3, 408398340), (4, 306298755), (5, 245039004), (6, 204199170), (7, 175027860), (9, 136132780), (10, 122519502), (12, 102099585), (14, 87513930), (15, 81679668), (18, 68066390), (20, 61259751), (21, 58342620), (28, 43756965), (30, 40839834), (31, 39522420), (35, 35005572), (36, 34033195), (42, 29171310), (45, 27226556), (49, 25003980), (60, 20419917), (62, 19761210), (63, 19447540), (70, 17502786), (84, 14585655), (90, 13613278), (93, 13174140), (98, 12501990), (105, 11668524), (124, 9880605), (126, 9723770), (140, 8751393), (147, 8334660), (155, 7904484), (180, 6806639), (186, 6587070), (196, 6250995), (210, 5834262), (217, 5646060), (245, 5000796), (252, 4861885), (279, 4391380), (294, 4167330), (310, 3952242), (315, 3889508), (372, 3293535), (420, 2917131), (434, 2823030), (441, 2778220), (465, 2634828), (490, 2500398), (558, 2195690), (588, 2083665), (620, 1976121), (630, 1944754), (651, 1882020), (735, 1666932), (868, 1411515), (882, 1389110), (930, 1317414), (980, 1250199), (1085, 1129212), (1116, 1097845), (1260, 972377), (1302, 941010), (1395, 878276), (1470, 833466), (1519, 806580), (1764, 694555), (1860, 658707), (1953, 627340), (2170, 564606), (2205, 555644), (2604, 470505), (2790, 439138), (2940, 416733), (3038, 403290), (3255, 376404), (3906, 313670), (4340, 282303), (4410, 277822), (4481, 273420), (4557, 268860), (5580, 219569), (6076, 201645), (6510, 188202), (7595, 161316), (7812, 156835), (8820, 138911), (8962, 136710), (9114, 134430), (9765, 125468), (13020, 94101), (13443, 91140), (13671, 89620), (15190, 80658), (17924, 68355), (18228, 67215), (19530, 62734), (22405, 54684), (22785, 53772), (26886, 45570), (27342, 44810), (30380, 40329), (31367, 39060)]