221878440

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 224

約数和(自身を含む): 856212480

約数和(自身を除く): 634334040

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, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 729, 756, 810, 840, 945, 972, 1080, 1087, 1134, 1215, 1260, 1458, 1512, 1620, 1701, 1890, 1944, 2174, 2268, 2430, 2520, 2835, 2916, 3240, 3261, 3402, 3645, 3780, 4348, 4536, 4860, 5103, 5435, 5670, 5832, 6522, 6804, 7290, 7560, 7609, 8505, 8696, 9720, 9783, 10206, 10870, 11340, 13044, 13608, 14580, 15218, 16305, 17010, 19566, 20412, 21740, 22680, 22827, 25515, 26088, 29160, 29349, 30436, 32610, 34020, 38045, 39132, 40824, 43480, 45654, 48915, 51030, 58698, 60872, 65220, 68040, 68481, 76090, 78264, 88047, 91308, 97830, 102060, 114135, 117396, 130440, 136962, 146745, 152180, 176094, 182616, 195660, 204120, 205443, 228270, 234792, 264141, 273924, 293490, 304360, 342405, 352188, 391320, 410886, 440235, 456540, 528282, 547848, 586980, 616329, 684810, 704376, 792423, 821772, 880470, 913080, 1027215, 1056564, 1173960, 1232658, 1320705, 1369620, 1584846, 1643544, 1760940, 1848987, 2054430, 2113128, 2465316, 2641410, 2739240, 3081645, 3169692, 3521880, 3697974, 3962115, 4108860, 4930632, 5282820, 5546961, 6163290, 6339384, 7395948, 7924230, 8217720, 9244935, 10565640, 11093922, 12326580, 14791896, 15848460, 18489870, 22187844, 24653160, 27734805, 31696920, 36979740, 44375688, 55469610, 73959480, 110939220, 221878440]

約数ペア:

[(1, 221878440), (2, 110939220), (3, 73959480), (4, 55469610), (5, 44375688), (6, 36979740), (7, 31696920), (8, 27734805), (9, 24653160), (10, 22187844), (12, 18489870), (14, 15848460), (15, 14791896), (18, 12326580), (20, 11093922), (21, 10565640), (24, 9244935), (27, 8217720), (28, 7924230), (30, 7395948), (35, 6339384), (36, 6163290), (40, 5546961), (42, 5282820), (45, 4930632), (54, 4108860), (56, 3962115), (60, 3697974), (63, 3521880), (70, 3169692), (72, 3081645), (81, 2739240), (84, 2641410), (90, 2465316), (105, 2113128), (108, 2054430), (120, 1848987), (126, 1760940), (135, 1643544), (140, 1584846), (162, 1369620), (168, 1320705), (180, 1232658), (189, 1173960), (210, 1056564), (216, 1027215), (243, 913080), (252, 880470), (270, 821772), (280, 792423), (315, 704376), (324, 684810), (360, 616329), (378, 586980), (405, 547848), (420, 528282), (486, 456540), (504, 440235), (540, 410886), (567, 391320), (630, 352188), (648, 342405), (729, 304360), (756, 293490), (810, 273924), (840, 264141), (945, 234792), (972, 228270), (1080, 205443), (1087, 204120), (1134, 195660), (1215, 182616), (1260, 176094), (1458, 152180), (1512, 146745), (1620, 136962), (1701, 130440), (1890, 117396), (1944, 114135), (2174, 102060), (2268, 97830), (2430, 91308), (2520, 88047), (2835, 78264), (2916, 76090), (3240, 68481), (3261, 68040), (3402, 65220), (3645, 60872), (3780, 58698), (4348, 51030), (4536, 48915), (4860, 45654), (5103, 43480), (5435, 40824), (5670, 39132), (5832, 38045), (6522, 34020), (6804, 32610), (7290, 30436), (7560, 29349), (7609, 29160), (8505, 26088), (8696, 25515), (9720, 22827), (9783, 22680), (10206, 21740), (10870, 20412), (11340, 19566), (13044, 17010), (13608, 16305), (14580, 15218)]