72227520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 168

約数和(自身を含む): 256763520

約数和(自身を除く): 184536000

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, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 809, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1618, 1860, 1984, 2232, 2427, 2480, 2790, 2880, 2976, 3236, 3720, 4045, 4464, 4854, 4960, 5580, 5952, 6472, 7281, 7440, 8090, 8928, 9708, 9920, 11160, 12135, 12944, 14562, 14880, 16180, 17856, 19416, 22320, 24270, 25079, 25888, 29124, 29760, 32360, 36405, 38832, 44640, 48540, 50158, 51776, 58248, 64720, 72810, 75237, 77664, 89280, 97080, 100316, 116496, 125395, 129440, 145620, 150474, 155328, 194160, 200632, 225711, 232992, 250790, 258880, 291240, 300948, 376185, 388320, 401264, 451422, 465984, 501580, 582480, 601896, 752370, 776640, 802528, 902844, 1003160, 1128555, 1164960, 1203792, 1504740, 1605056, 1805688, 2006320, 2257110, 2329920, 2407584, 3009480, 3611376, 4012640, 4514220, 4815168, 6018960, 7222752, 8025280, 9028440, 12037920, 14445504, 18056880, 24075840, 36113760, 72227520]

約数ペア:

[(1, 72227520), (2, 36113760), (3, 24075840), (4, 18056880), (5, 14445504), (6, 12037920), (8, 9028440), (9, 8025280), (10, 7222752), (12, 6018960), (15, 4815168), (16, 4514220), (18, 4012640), (20, 3611376), (24, 3009480), (30, 2407584), (31, 2329920), (32, 2257110), (36, 2006320), (40, 1805688), (45, 1605056), (48, 1504740), (60, 1203792), (62, 1164960), (64, 1128555), (72, 1003160), (80, 902844), (90, 802528), (93, 776640), (96, 752370), (120, 601896), (124, 582480), (144, 501580), (155, 465984), (160, 451422), (180, 401264), (186, 388320), (192, 376185), (240, 300948), (248, 291240), (279, 258880), (288, 250790), (310, 232992), (320, 225711), (360, 200632), (372, 194160), (465, 155328), (480, 150474), (496, 145620), (558, 129440), (576, 125395), (620, 116496), (720, 100316), (744, 97080), (809, 89280), (930, 77664), (960, 75237), (992, 72810), (1116, 64720), (1240, 58248), (1395, 51776), (1440, 50158), (1488, 48540), (1618, 44640), (1860, 38832), (1984, 36405), (2232, 32360), (2427, 29760), (2480, 29124), (2790, 25888), (2880, 25079), (2976, 24270), (3236, 22320), (3720, 19416), (4045, 17856), (4464, 16180), (4854, 14880), (4960, 14562), (5580, 12944), (5952, 12135), (6472, 11160), (7281, 9920), (7440, 9708), (8090, 8928)]