1226688640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 3106512000

約数和(自身を除く): 1879823360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 281, 304, 320, 359, 380, 562, 608, 640, 718, 760, 1124, 1216, 1405, 1436, 1520, 1795, 2248, 2432, 2810, 2872, 3040, 3590, 4496, 5339, 5620, 5744, 6080, 6821, 7180, 8992, 10678, 11240, 11488, 12160, 13642, 14360, 17984, 21356, 22480, 22976, 26695, 27284, 28720, 34105, 35968, 42712, 44960, 45952, 53390, 54568, 57440, 68210, 85424, 89920, 100879, 106780, 109136, 114880, 136420, 170848, 179840, 201758, 213560, 218272, 229760, 272840, 341696, 403516, 427120, 436544, 504395, 545680, 683392, 807032, 854240, 873088, 1008790, 1091360, 1614064, 1708480, 1916701, 2017580, 2182720, 3228128, 3416960, 3833402, 4035160, 4365440, 6456256, 7666804, 8070320, 9583505, 12912512, 15333608, 16140640, 19167010, 30667216, 32281280, 38334020, 61334432, 64562560, 76668040, 122668864, 153336080, 245337728, 306672160, 613344320, 1226688640]

約数ペア:

[(1, 1226688640), (2, 613344320), (4, 306672160), (5, 245337728), (8, 153336080), (10, 122668864), (16, 76668040), (19, 64562560), (20, 61334432), (32, 38334020), (38, 32281280), (40, 30667216), (64, 19167010), (76, 16140640), (80, 15333608), (95, 12912512), (128, 9583505), (152, 8070320), (160, 7666804), (190, 6456256), (281, 4365440), (304, 4035160), (320, 3833402), (359, 3416960), (380, 3228128), (562, 2182720), (608, 2017580), (640, 1916701), (718, 1708480), (760, 1614064), (1124, 1091360), (1216, 1008790), (1405, 873088), (1436, 854240), (1520, 807032), (1795, 683392), (2248, 545680), (2432, 504395), (2810, 436544), (2872, 427120), (3040, 403516), (3590, 341696), (4496, 272840), (5339, 229760), (5620, 218272), (5744, 213560), (6080, 201758), (6821, 179840), (7180, 170848), (8992, 136420), (10678, 114880), (11240, 109136), (11488, 106780), (12160, 100879), (13642, 89920), (14360, 85424), (17984, 68210), (21356, 57440), (22480, 54568), (22976, 53390), (26695, 45952), (27284, 44960), (28720, 42712), (34105, 35968)]