128216520

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{4397}}^1$

素因数の和:4426

約数の個数: 112

約数和(自身を含む): 432631260

約数和(自身を除く): 304414740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4397, 4860, 5832, 7290, 8794, 9720, 13191, 14580, 17588, 21985, 26382, 29160, 35176, 39573, 43970, 52764, 65955, 79146, 87940, 105528, 118719, 131910, 158292, 175880, 197865, 237438, 263820, 316584, 356157, 395730, 474876, 527640, 593595, 712314, 791460, 949752, 1068471, 1187190, 1424628, 1582920, 1780785, 2136942, 2374380, 2849256, 3205413, 3561570, 4273884, 4748760, 5342355, 6410826, 7123140, 8547768, 10684710, 12821652, 14246280, 16027065, 21369420, 25643304, 32054130, 42738840, 64108260, 128216520]

約数ペア:

[(1, 128216520), (2, 64108260), (3, 42738840), (4, 32054130), (5, 25643304), (6, 21369420), (8, 16027065), (9, 14246280), (10, 12821652), (12, 10684710), (15, 8547768), (18, 7123140), (20, 6410826), (24, 5342355), (27, 4748760), (30, 4273884), (36, 3561570), (40, 3205413), (45, 2849256), (54, 2374380), (60, 2136942), (72, 1780785), (81, 1582920), (90, 1424628), (108, 1187190), (120, 1068471), (135, 949752), (162, 791460), (180, 712314), (216, 593595), (243, 527640), (270, 474876), (324, 395730), (360, 356157), (405, 316584), (486, 263820), (540, 237438), (648, 197865), (729, 175880), (810, 158292), (972, 131910), (1080, 118719), (1215, 105528), (1458, 87940), (1620, 79146), (1944, 65955), (2430, 52764), (2916, 43970), (3240, 39573), (3645, 35176), (4397, 29160), (4860, 26382), (5832, 21985), (7290, 17588), (8794, 14580), (9720, 13191)]