1291028480

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 3764517120

約数和(自身を除く): 2473488640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 83, 98, 112, 124, 128, 140, 155, 160, 166, 196, 217, 224, 245, 248, 256, 280, 310, 320, 332, 392, 415, 434, 448, 490, 496, 512, 560, 581, 620, 640, 664, 784, 830, 868, 896, 980, 992, 1024, 1085, 1120, 1162, 1240, 1280, 1328, 1519, 1568, 1660, 1736, 1792, 1960, 1984, 2048, 2170, 2240, 2324, 2480, 2560, 2573, 2656, 2905, 3038, 3136, 3320, 3472, 3584, 3920, 3968, 4067, 4340, 4480, 4648, 4960, 5120, 5146, 5312, 5810, 6076, 6272, 6640, 6944, 7168, 7595, 7840, 7936, 8134, 8680, 8960, 9296, 9920, 10240, 10292, 10624, 11620, 12152, 12544, 12865, 13280, 13888, 14336, 15190, 15680, 15872, 16268, 17360, 17920, 18011, 18592, 19840, 20335, 20584, 21248, 23240, 24304, 25088, 25730, 26560, 27776, 30380, 31360, 31744, 32536, 34720, 35840, 36022, 37184, 39680, 40670, 41168, 42496, 46480, 48608, 50176, 51460, 53120, 55552, 60760, 62720, 63488, 65072, 69440, 71680, 72044, 74368, 79360, 81340, 82336, 84992, 90055, 92960, 97216, 100352, 102920, 106240, 111104, 121520, 125440, 126077, 130144, 138880, 144088, 148736, 158720, 162680, 164672, 169984, 180110, 185920, 194432, 205840, 212480, 222208, 243040, 250880, 252154, 260288, 277760, 288176, 297472, 317440, 325360, 329344, 360220, 371840, 388864, 411680, 424960, 444416, 486080, 501760, 504308, 520576, 555520, 576352, 594944, 630385, 650720, 658688, 720440, 743680, 777728, 823360, 849920, 972160, 1008616, 1041152, 1111040, 1152704, 1189888, 1260770, 1301440, 1317376, 1440880, 1487360, 1555456, 1646720, 1944320, 2017232, 2082304, 2222080, 2305408, 2521540, 2602880, 2634752, 2881760, 2974720, 3110912, 3293440, 3888640, 4034464, 4164608, 4610816, 5043080, 5205760, 5269504, 5763520, 5949440, 6586880, 7777280, 8068928, 8329216, 9221632, 10086160, 10411520, 11527040, 13173760, 15554560, 16137856, 18443264, 20172320, 20823040, 23054080, 26347520, 32275712, 36886528, 40344640, 41646080, 46108160, 64551424, 80689280, 92216320, 129102848, 161378560, 184432640, 258205696, 322757120, 645514240, 1291028480]

約数ペア:

[(1, 1291028480), (2, 645514240), (4, 322757120), (5, 258205696), (7, 184432640), (8, 161378560), (10, 129102848), (14, 92216320), (16, 80689280), (20, 64551424), (28, 46108160), (31, 41646080), (32, 40344640), (35, 36886528), (40, 32275712), (49, 26347520), (56, 23054080), (62, 20823040), (64, 20172320), (70, 18443264), (80, 16137856), (83, 15554560), (98, 13173760), (112, 11527040), (124, 10411520), (128, 10086160), (140, 9221632), (155, 8329216), (160, 8068928), (166, 7777280), (196, 6586880), (217, 5949440), (224, 5763520), (245, 5269504), (248, 5205760), (256, 5043080), (280, 4610816), (310, 4164608), (320, 4034464), (332, 3888640), (392, 3293440), (415, 3110912), (434, 2974720), (448, 2881760), (490, 2634752), (496, 2602880), (512, 2521540), (560, 2305408), (581, 2222080), (620, 2082304), (640, 2017232), (664, 1944320), (784, 1646720), (830, 1555456), (868, 1487360), (896, 1440880), (980, 1317376), (992, 1301440), (1024, 1260770), (1085, 1189888), (1120, 1152704), (1162, 1111040), (1240, 1041152), (1280, 1008616), (1328, 972160), (1519, 849920), (1568, 823360), (1660, 777728), (1736, 743680), (1792, 720440), (1960, 658688), (1984, 650720), (2048, 630385), (2170, 594944), (2240, 576352), (2324, 555520), (2480, 520576), (2560, 504308), (2573, 501760), (2656, 486080), (2905, 444416), (3038, 424960), (3136, 411680), (3320, 388864), (3472, 371840), (3584, 360220), (3920, 329344), (3968, 325360), (4067, 317440), (4340, 297472), (4480, 288176), (4648, 277760), (4960, 260288), (5120, 252154), (5146, 250880), (5312, 243040), (5810, 222208), (6076, 212480), (6272, 205840), (6640, 194432), (6944, 185920), (7168, 180110), (7595, 169984), (7840, 164672), (7936, 162680), (8134, 158720), (8680, 148736), (8960, 144088), (9296, 138880), (9920, 130144), (10240, 126077), (10292, 125440), (10624, 121520), (11620, 111104), (12152, 106240), (12544, 102920), (12865, 100352), (13280, 97216), (13888, 92960), (14336, 90055), (15190, 84992), (15680, 82336), (15872, 81340), (16268, 79360), (17360, 74368), (17920, 72044), (18011, 71680), (18592, 69440), (19840, 65072), (20335, 63488), (20584, 62720), (21248, 60760), (23240, 55552), (24304, 53120), (25088, 51460), (25730, 50176), (26560, 48608), (27776, 46480), (30380, 42496), (31360, 41168), (31744, 40670), (32536, 39680), (34720, 37184), (35840, 36022)]