221993640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1008

約数の個数: 192

約数和(自身を含む): 800841600

約数和(自身を除く): 578847960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 61, 66, 72, 88, 90, 99, 110, 120, 122, 132, 165, 180, 183, 198, 220, 244, 264, 305, 330, 360, 366, 396, 440, 488, 495, 549, 610, 660, 671, 732, 792, 915, 919, 990, 1098, 1220, 1320, 1342, 1464, 1830, 1838, 1980, 2013, 2196, 2440, 2684, 2745, 2757, 3355, 3660, 3676, 3960, 4026, 4392, 4595, 5368, 5490, 5514, 6039, 6710, 7320, 7352, 8052, 8271, 9190, 10065, 10109, 10980, 11028, 12078, 13420, 13785, 16104, 16542, 18380, 20130, 20218, 21960, 22056, 24156, 26840, 27570, 30195, 30327, 33084, 36760, 40260, 40436, 41355, 48312, 50545, 55140, 56059, 60390, 60654, 66168, 80520, 80872, 82710, 90981, 101090, 110280, 112118, 120780, 121308, 151635, 165420, 168177, 181962, 202180, 224236, 241560, 242616, 280295, 303270, 330840, 336354, 363924, 404360, 448472, 454905, 504531, 560590, 606540, 616649, 672708, 727848, 840885, 909810, 1009062, 1121180, 1213080, 1233298, 1345416, 1681770, 1819620, 1849947, 2018124, 2242360, 2466596, 2522655, 3083245, 3363540, 3639240, 3699894, 4036248, 4933192, 5045310, 5549841, 6166490, 6727080, 7399788, 9249735, 10090620, 11099682, 12332980, 14799576, 18499470, 20181240, 22199364, 24665960, 27749205, 36998940, 44398728, 55498410, 73997880, 110996820, 221993640]

約数ペア:

[(1, 221993640), (2, 110996820), (3, 73997880), (4, 55498410), (5, 44398728), (6, 36998940), (8, 27749205), (9, 24665960), (10, 22199364), (11, 20181240), (12, 18499470), (15, 14799576), (18, 12332980), (20, 11099682), (22, 10090620), (24, 9249735), (30, 7399788), (33, 6727080), (36, 6166490), (40, 5549841), (44, 5045310), (45, 4933192), (55, 4036248), (60, 3699894), (61, 3639240), (66, 3363540), (72, 3083245), (88, 2522655), (90, 2466596), (99, 2242360), (110, 2018124), (120, 1849947), (122, 1819620), (132, 1681770), (165, 1345416), (180, 1233298), (183, 1213080), (198, 1121180), (220, 1009062), (244, 909810), (264, 840885), (305, 727848), (330, 672708), (360, 616649), (366, 606540), (396, 560590), (440, 504531), (488, 454905), (495, 448472), (549, 404360), (610, 363924), (660, 336354), (671, 330840), (732, 303270), (792, 280295), (915, 242616), (919, 241560), (990, 224236), (1098, 202180), (1220, 181962), (1320, 168177), (1342, 165420), (1464, 151635), (1830, 121308), (1838, 120780), (1980, 112118), (2013, 110280), (2196, 101090), (2440, 90981), (2684, 82710), (2745, 80872), (2757, 80520), (3355, 66168), (3660, 60654), (3676, 60390), (3960, 56059), (4026, 55140), (4392, 50545), (4595, 48312), (5368, 41355), (5490, 40436), (5514, 40260), (6039, 36760), (6710, 33084), (7320, 30327), (7352, 30195), (8052, 27570), (8271, 26840), (9190, 24156), (10065, 22056), (10109, 21960), (10980, 20218), (11028, 20130), (12078, 18380), (13420, 16542), (13785, 16104)]