72138240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 240

約数和(自身を含む): 260447616

約数和(自身を除く): 188309376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 101, 120, 124, 128, 144, 155, 160, 180, 186, 192, 202, 240, 248, 256, 279, 288, 303, 310, 320, 360, 372, 384, 404, 465, 480, 496, 505, 512, 558, 576, 606, 620, 640, 720, 744, 768, 808, 909, 930, 960, 992, 1010, 1116, 1152, 1212, 1240, 1280, 1395, 1440, 1488, 1515, 1536, 1616, 1818, 1860, 1920, 1984, 2020, 2232, 2304, 2424, 2480, 2560, 2790, 2880, 2976, 3030, 3131, 3232, 3636, 3720, 3840, 3968, 4040, 4464, 4545, 4608, 4848, 4960, 5580, 5760, 5952, 6060, 6262, 6464, 7272, 7440, 7680, 7936, 8080, 8928, 9090, 9393, 9696, 9920, 11160, 11520, 11904, 12120, 12524, 12928, 14544, 14880, 15655, 15872, 16160, 17856, 18180, 18786, 19392, 19840, 22320, 23040, 23808, 24240, 25048, 25856, 28179, 29088, 29760, 31310, 32320, 35712, 36360, 37572, 38784, 39680, 44640, 46965, 47616, 48480, 50096, 51712, 56358, 58176, 59520, 62620, 64640, 71424, 72720, 75144, 77568, 79360, 89280, 93930, 96960, 100192, 112716, 116352, 119040, 125240, 129280, 140895, 142848, 145440, 150288, 155136, 178560, 187860, 193920, 200384, 225432, 232704, 238080, 250480, 258560, 281790, 290880, 300576, 357120, 375720, 387840, 400768, 450864, 465408, 500960, 563580, 581760, 601152, 714240, 751440, 775680, 801536, 901728, 1001920, 1127160, 1163520, 1202304, 1502880, 1603072, 1803456, 2003840, 2254320, 2327040, 2404608, 3005760, 3606912, 4007680, 4508640, 4809216, 6011520, 7213824, 8015360, 9017280, 12023040, 14427648, 18034560, 24046080, 36069120, 72138240]

約数ペア:

[(1, 72138240), (2, 36069120), (3, 24046080), (4, 18034560), (5, 14427648), (6, 12023040), (8, 9017280), (9, 8015360), (10, 7213824), (12, 6011520), (15, 4809216), (16, 4508640), (18, 4007680), (20, 3606912), (24, 3005760), (30, 2404608), (31, 2327040), (32, 2254320), (36, 2003840), (40, 1803456), (45, 1603072), (48, 1502880), (60, 1202304), (62, 1163520), (64, 1127160), (72, 1001920), (80, 901728), (90, 801536), (93, 775680), (96, 751440), (101, 714240), (120, 601152), (124, 581760), (128, 563580), (144, 500960), (155, 465408), (160, 450864), (180, 400768), (186, 387840), (192, 375720), (202, 357120), (240, 300576), (248, 290880), (256, 281790), (279, 258560), (288, 250480), (303, 238080), (310, 232704), (320, 225432), (360, 200384), (372, 193920), (384, 187860), (404, 178560), (465, 155136), (480, 150288), (496, 145440), (505, 142848), (512, 140895), (558, 129280), (576, 125240), (606, 119040), (620, 116352), (640, 112716), (720, 100192), (744, 96960), (768, 93930), (808, 89280), (909, 79360), (930, 77568), (960, 75144), (992, 72720), (1010, 71424), (1116, 64640), (1152, 62620), (1212, 59520), (1240, 58176), (1280, 56358), (1395, 51712), (1440, 50096), (1488, 48480), (1515, 47616), (1536, 46965), (1616, 44640), (1818, 39680), (1860, 38784), (1920, 37572), (1984, 36360), (2020, 35712), (2232, 32320), (2304, 31310), (2424, 29760), (2480, 29088), (2560, 28179), (2790, 25856), (2880, 25048), (2976, 24240), (3030, 23808), (3131, 23040), (3232, 22320), (3636, 19840), (3720, 19392), (3840, 18786), (3968, 18180), (4040, 17856), (4464, 16160), (4545, 15872), (4608, 15655), (4848, 14880), (4960, 14544), (5580, 12928), (5760, 12524), (5952, 12120), (6060, 11904), (6262, 11520), (6464, 11160), (7272, 9920), (7440, 9696), (7680, 9393), (7936, 9090), (8080, 8928)]