1977948960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:740

約数の個数: 288

約数和(自身を含む): 6939535680

約数和(自身を除く): 4961586720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 96, 104, 111, 120, 130, 148, 156, 160, 169, 185, 195, 208, 222, 240, 260, 296, 312, 338, 370, 390, 416, 444, 480, 481, 507, 520, 555, 592, 624, 659, 676, 740, 780, 845, 888, 962, 1014, 1040, 1110, 1184, 1248, 1318, 1352, 1443, 1480, 1560, 1690, 1776, 1924, 1977, 2028, 2080, 2220, 2405, 2535, 2636, 2704, 2886, 2960, 3120, 3295, 3380, 3552, 3848, 3954, 4056, 4440, 4810, 5070, 5272, 5408, 5772, 5920, 6240, 6253, 6590, 6760, 7215, 7696, 7908, 8112, 8567, 8880, 9620, 9885, 10140, 10544, 11544, 12506, 13180, 13520, 14430, 15392, 15816, 16224, 17134, 17760, 18759, 19240, 19770, 20280, 21088, 23088, 24383, 25012, 25701, 26360, 27040, 28860, 31265, 31632, 34268, 37518, 38480, 39540, 40560, 42835, 46176, 48766, 50024, 51402, 52720, 57720, 62530, 63264, 68536, 73149, 75036, 76960, 79080, 81120, 85670, 93795, 97532, 100048, 102804, 105440, 111371, 115440, 121915, 125060, 128505, 137072, 146298, 150072, 158160, 171340, 187590, 195064, 200096, 205608, 222742, 230880, 243830, 250120, 257010, 274144, 292596, 300144, 316320, 316979, 334113, 342680, 365745, 375180, 390128, 411216, 445484, 487660, 500240, 514020, 556855, 585192, 600288, 633958, 668226, 685360, 731490, 750360, 780256, 822432, 890968, 950937, 975320, 1000480, 1028040, 1113710, 1170384, 1267916, 1336452, 1370720, 1462980, 1500720, 1584895, 1670565, 1781936, 1901874, 1950640, 2056080, 2227420, 2340768, 2535832, 2672904, 2925960, 3001440, 3169790, 3341130, 3563872, 3803748, 3901280, 4112160, 4120727, 4454840, 4754685, 5071664, 5345808, 5851920, 6339580, 6682260, 7607496, 8241454, 8909680, 9509370, 10143328, 10691616, 11703840, 12362181, 12679160, 13364520, 15214992, 16482908, 17819360, 19018740, 20603635, 24724362, 25358320, 26729040, 30429984, 32965816, 38037480, 41207270, 49448724, 50716640, 53458080, 61810905, 65931632, 76074960, 82414540, 98897448, 123621810, 131863264, 152149920, 164829080, 197794896, 247243620, 329658160, 395589792, 494487240, 659316320, 988974480, 1977948960]

約数ペア:

[(1, 1977948960), (2, 988974480), (3, 659316320), (4, 494487240), (5, 395589792), (6, 329658160), (8, 247243620), (10, 197794896), (12, 164829080), (13, 152149920), (15, 131863264), (16, 123621810), (20, 98897448), (24, 82414540), (26, 76074960), (30, 65931632), (32, 61810905), (37, 53458080), (39, 50716640), (40, 49448724), (48, 41207270), (52, 38037480), (60, 32965816), (65, 30429984), (74, 26729040), (78, 25358320), (80, 24724362), (96, 20603635), (104, 19018740), (111, 17819360), (120, 16482908), (130, 15214992), (148, 13364520), (156, 12679160), (160, 12362181), (169, 11703840), (185, 10691616), (195, 10143328), (208, 9509370), (222, 8909680), (240, 8241454), (260, 7607496), (296, 6682260), (312, 6339580), (338, 5851920), (370, 5345808), (390, 5071664), (416, 4754685), (444, 4454840), (480, 4120727), (481, 4112160), (507, 3901280), (520, 3803748), (555, 3563872), (592, 3341130), (624, 3169790), (659, 3001440), (676, 2925960), (740, 2672904), (780, 2535832), (845, 2340768), (888, 2227420), (962, 2056080), (1014, 1950640), (1040, 1901874), (1110, 1781936), (1184, 1670565), (1248, 1584895), (1318, 1500720), (1352, 1462980), (1443, 1370720), (1480, 1336452), (1560, 1267916), (1690, 1170384), (1776, 1113710), (1924, 1028040), (1977, 1000480), (2028, 975320), (2080, 950937), (2220, 890968), (2405, 822432), (2535, 780256), (2636, 750360), (2704, 731490), (2886, 685360), (2960, 668226), (3120, 633958), (3295, 600288), (3380, 585192), (3552, 556855), (3848, 514020), (3954, 500240), (4056, 487660), (4440, 445484), (4810, 411216), (5070, 390128), (5272, 375180), (5408, 365745), (5772, 342680), (5920, 334113), (6240, 316979), (6253, 316320), (6590, 300144), (6760, 292596), (7215, 274144), (7696, 257010), (7908, 250120), (8112, 243830), (8567, 230880), (8880, 222742), (9620, 205608), (9885, 200096), (10140, 195064), (10544, 187590), (11544, 171340), (12506, 158160), (13180, 150072), (13520, 146298), (14430, 137072), (15392, 128505), (15816, 125060), (16224, 121915), (17134, 115440), (17760, 111371), (18759, 105440), (19240, 102804), (19770, 100048), (20280, 97532), (21088, 93795), (23088, 85670), (24383, 81120), (25012, 79080), (25701, 76960), (26360, 75036), (27040, 73149), (28860, 68536), (31265, 63264), (31632, 62530), (34268, 57720), (37518, 52720), (38480, 51402), (39540, 50024), (40560, 48766), (42835, 46176)]