181400940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 649080432

約数和(自身を除く): 467679492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 157, 180, 196, 210, 245, 252, 262, 294, 314, 315, 393, 420, 441, 471, 490, 524, 588, 628, 630, 655, 735, 785, 786, 882, 917, 942, 980, 1099, 1179, 1260, 1310, 1413, 1470, 1570, 1572, 1764, 1834, 1884, 1965, 2198, 2205, 2355, 2358, 2620, 2751, 2826, 2940, 3140, 3297, 3668, 3930, 4396, 4410, 4585, 4710, 4716, 5495, 5502, 5652, 5895, 6419, 6594, 7065, 7693, 7860, 8253, 8820, 9170, 9420, 9891, 10990, 11004, 11790, 12838, 13188, 13755, 14130, 15386, 16485, 16506, 18340, 19257, 19782, 20567, 21980, 23079, 23580, 25676, 27510, 28260, 30772, 32095, 32970, 33012, 38465, 38514, 39564, 41134, 41265, 46158, 49455, 55020, 57771, 61701, 64190, 65940, 69237, 76930, 77028, 82268, 82530, 92316, 96285, 98910, 102835, 115395, 115542, 123402, 128380, 138474, 143969, 153860, 165060, 185103, 192570, 197820, 205670, 230790, 231084, 246804, 276948, 287938, 288855, 308505, 346185, 370206, 385140, 411340, 431907, 461580, 575876, 577710, 617010, 692370, 719845, 740412, 863814, 925515, 1007783, 1155420, 1234020, 1295721, 1384740, 1439690, 1727628, 1851030, 2015566, 2159535, 2591442, 2879380, 3023349, 3702060, 4031132, 4319070, 5038915, 5182884, 6046698, 6478605, 8638140, 9070047, 10077830, 12093396, 12957210, 15116745, 18140094, 20155660, 25914420, 30233490, 36280188, 45350235, 60466980, 90700470, 181400940]

約数ペア:

[(1, 181400940), (2, 90700470), (3, 60466980), (4, 45350235), (5, 36280188), (6, 30233490), (7, 25914420), (9, 20155660), (10, 18140094), (12, 15116745), (14, 12957210), (15, 12093396), (18, 10077830), (20, 9070047), (21, 8638140), (28, 6478605), (30, 6046698), (35, 5182884), (36, 5038915), (42, 4319070), (45, 4031132), (49, 3702060), (60, 3023349), (63, 2879380), (70, 2591442), (84, 2159535), (90, 2015566), (98, 1851030), (105, 1727628), (126, 1439690), (131, 1384740), (140, 1295721), (147, 1234020), (157, 1155420), (180, 1007783), (196, 925515), (210, 863814), (245, 740412), (252, 719845), (262, 692370), (294, 617010), (314, 577710), (315, 575876), (393, 461580), (420, 431907), (441, 411340), (471, 385140), (490, 370206), (524, 346185), (588, 308505), (628, 288855), (630, 287938), (655, 276948), (735, 246804), (785, 231084), (786, 230790), (882, 205670), (917, 197820), (942, 192570), (980, 185103), (1099, 165060), (1179, 153860), (1260, 143969), (1310, 138474), (1413, 128380), (1470, 123402), (1570, 115542), (1572, 115395), (1764, 102835), (1834, 98910), (1884, 96285), (1965, 92316), (2198, 82530), (2205, 82268), (2355, 77028), (2358, 76930), (2620, 69237), (2751, 65940), (2826, 64190), (2940, 61701), (3140, 57771), (3297, 55020), (3668, 49455), (3930, 46158), (4396, 41265), (4410, 41134), (4585, 39564), (4710, 38514), (4716, 38465), (5495, 33012), (5502, 32970), (5652, 32095), (5895, 30772), (6419, 28260), (6594, 27510), (7065, 25676), (7693, 23580), (7860, 23079), (8253, 21980), (8820, 20567), (9170, 19782), (9420, 19257), (9891, 18340), (10990, 16506), (11004, 16485), (11790, 15386), (12838, 14130), (13188, 13755)]