1320406920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{8317}}^1$

素因数の和:8354

約数の個数: 240

約数和(自身を含む): 5163232140

約数和(自身を除く): 3842825220

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7938, 8317, 8820, 10584, 11340, 13230, 15876, 16634, 17640, 19845, 22680, 24951, 26460, 31752, 33268, 39690, 41585, 49902, 52920, 58219, 66536, 74853, 79380, 83170, 99804, 116438, 124755, 149706, 158760, 166340, 174657, 199608, 224559, 232876, 249510, 291095, 299412, 332680, 349314, 374265, 407533, 449118, 465752, 499020, 523971, 582190, 598824, 673677, 698628, 748530, 815066, 873285, 898236, 998040, 1047942, 1122795, 1164380, 1222599, 1347354, 1397256, 1497060, 1571913, 1630132, 1746570, 1796472, 2037665, 2095884, 2245590, 2328760, 2445198, 2619855, 2694708, 2994120, 3143826, 3260264, 3368385, 3493140, 3667797, 4075330, 4191768, 4491180, 4715739, 4890396, 5239710, 5389416, 6112995, 6287652, 6736770, 6986280, 7335594, 7859565, 8150660, 8982360, 9431478, 9780792, 10479420, 11003391, 12225990, 12575304, 13473540, 14671188, 15719130, 16301320, 18338985, 18862956, 20958840, 22006782, 23578695, 24451980, 26947080, 29342376, 31438260, 33010173, 36677970, 37725912, 44013564, 47157390, 48903960, 55016955, 62876520, 66020346, 73355940, 88027128, 94314780, 110033910, 132040692, 146711880, 165050865, 188629560, 220067820, 264081384, 330101730, 440135640, 660203460, 1320406920]

約数ペア:

[(1, 1320406920), (2, 660203460), (3, 440135640), (4, 330101730), (5, 264081384), (6, 220067820), (7, 188629560), (8, 165050865), (9, 146711880), (10, 132040692), (12, 110033910), (14, 94314780), (15, 88027128), (18, 73355940), (20, 66020346), (21, 62876520), (24, 55016955), (27, 48903960), (28, 47157390), (30, 44013564), (35, 37725912), (36, 36677970), (40, 33010173), (42, 31438260), (45, 29342376), (49, 26947080), (54, 24451980), (56, 23578695), (60, 22006782), (63, 20958840), (70, 18862956), (72, 18338985), (81, 16301320), (84, 15719130), (90, 14671188), (98, 13473540), (105, 12575304), (108, 12225990), (120, 11003391), (126, 10479420), (135, 9780792), (140, 9431478), (147, 8982360), (162, 8150660), (168, 7859565), (180, 7335594), (189, 6986280), (196, 6736770), (210, 6287652), (216, 6112995), (245, 5389416), (252, 5239710), (270, 4890396), (280, 4715739), (294, 4491180), (315, 4191768), (324, 4075330), (360, 3667797), (378, 3493140), (392, 3368385), (405, 3260264), (420, 3143826), (441, 2994120), (490, 2694708), (504, 2619855), (540, 2445198), (567, 2328760), (588, 2245590), (630, 2095884), (648, 2037665), (735, 1796472), (756, 1746570), (810, 1630132), (840, 1571913), (882, 1497060), (945, 1397256), (980, 1347354), (1080, 1222599), (1134, 1164380), (1176, 1122795), (1260, 1047942), (1323, 998040), (1470, 898236), (1512, 873285), (1620, 815066), (1764, 748530), (1890, 698628), (1960, 673677), (2205, 598824), (2268, 582190), (2520, 523971), (2646, 499020), (2835, 465752), (2940, 449118), (3240, 407533), (3528, 374265), (3780, 349314), (3969, 332680), (4410, 299412), (4536, 291095), (5292, 249510), (5670, 232876), (5880, 224559), (6615, 199608), (7560, 174657), (7938, 166340), (8317, 158760), (8820, 149706), (10584, 124755), (11340, 116438), (13230, 99804), (15876, 83170), (16634, 79380), (17640, 74853), (19845, 66536), (22680, 58219), (24951, 52920), (26460, 49902), (31752, 41585), (33268, 39690)]