15972040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 43399800

約数和(自身を除く): 27427760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 281, 290, 392, 406, 490, 562, 580, 812, 980, 1015, 1124, 1160, 1405, 1421, 1624, 1960, 1967, 2030, 2248, 2810, 2842, 3934, 4060, 5620, 5684, 7105, 7868, 8120, 8149, 9835, 11240, 11368, 13769, 14210, 15736, 16298, 19670, 27538, 28420, 32596, 39340, 40745, 55076, 56840, 57043, 65192, 68845, 78680, 81490, 110152, 114086, 137690, 162980, 228172, 275380, 285215, 325960, 399301, 456344, 550760, 570430, 798602, 1140860, 1597204, 1996505, 2281720, 3194408, 3993010, 7986020, 15972040]

約数ペア:

[(1, 15972040), (2, 7986020), (4, 3993010), (5, 3194408), (7, 2281720), (8, 1996505), (10, 1597204), (14, 1140860), (20, 798602), (28, 570430), (29, 550760), (35, 456344), (40, 399301), (49, 325960), (56, 285215), (58, 275380), (70, 228172), (98, 162980), (116, 137690), (140, 114086), (145, 110152), (196, 81490), (203, 78680), (232, 68845), (245, 65192), (280, 57043), (281, 56840), (290, 55076), (392, 40745), (406, 39340), (490, 32596), (562, 28420), (580, 27538), (812, 19670), (980, 16298), (1015, 15736), (1124, 14210), (1160, 13769), (1405, 11368), (1421, 11240), (1624, 9835), (1960, 8149), (1967, 8120), (2030, 7868), (2248, 7105), (2810, 5684), (2842, 5620), (3934, 4060)]