72015240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 238723200

約数和(自身を除く): 166707960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 89, 110, 120, 132, 165, 178, 220, 264, 267, 330, 356, 440, 445, 534, 613, 660, 712, 890, 979, 1068, 1226, 1320, 1335, 1780, 1839, 1958, 2136, 2452, 2670, 2937, 3065, 3560, 3678, 3916, 4895, 4904, 5340, 5874, 6130, 6743, 7356, 7832, 9195, 9790, 10680, 11748, 12260, 13486, 14685, 14712, 18390, 19580, 20229, 23496, 24520, 26972, 29370, 33715, 36780, 39160, 40458, 53944, 54557, 58740, 67430, 73560, 80916, 101145, 109114, 117480, 134860, 161832, 163671, 202290, 218228, 269720, 272785, 327342, 404580, 436456, 545570, 600127, 654684, 809160, 818355, 1091140, 1200254, 1309368, 1636710, 1800381, 2182280, 2400508, 3000635, 3273420, 3600762, 4801016, 6001270, 6546840, 7201524, 9001905, 12002540, 14403048, 18003810, 24005080, 36007620, 72015240]

約数ペア:

[(1, 72015240), (2, 36007620), (3, 24005080), (4, 18003810), (5, 14403048), (6, 12002540), (8, 9001905), (10, 7201524), (11, 6546840), (12, 6001270), (15, 4801016), (20, 3600762), (22, 3273420), (24, 3000635), (30, 2400508), (33, 2182280), (40, 1800381), (44, 1636710), (55, 1309368), (60, 1200254), (66, 1091140), (88, 818355), (89, 809160), (110, 654684), (120, 600127), (132, 545570), (165, 436456), (178, 404580), (220, 327342), (264, 272785), (267, 269720), (330, 218228), (356, 202290), (440, 163671), (445, 161832), (534, 134860), (613, 117480), (660, 109114), (712, 101145), (890, 80916), (979, 73560), (1068, 67430), (1226, 58740), (1320, 54557), (1335, 53944), (1780, 40458), (1839, 39160), (1958, 36780), (2136, 33715), (2452, 29370), (2670, 26972), (2937, 24520), (3065, 23496), (3560, 20229), (3678, 19580), (3916, 18390), (4895, 14712), (4904, 14685), (5340, 13486), (5874, 12260), (6130, 11748), (6743, 10680), (7356, 9790), (7832, 9195)]