15803440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 39863520

約数和(自身を除く): 24060080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 281, 296, 304, 370, 380, 562, 592, 703, 740, 760, 1124, 1405, 1406, 1480, 1520, 2248, 2810, 2812, 2960, 3515, 4496, 5339, 5620, 5624, 7030, 10397, 10678, 11240, 11248, 14060, 20794, 21356, 22480, 26695, 28120, 41588, 42712, 51985, 53390, 56240, 83176, 85424, 103970, 106780, 166352, 197543, 207940, 213560, 395086, 415880, 427120, 790172, 831760, 987715, 1580344, 1975430, 3160688, 3950860, 7901720, 15803440]

約数ペア:

[(1, 15803440), (2, 7901720), (4, 3950860), (5, 3160688), (8, 1975430), (10, 1580344), (16, 987715), (19, 831760), (20, 790172), (37, 427120), (38, 415880), (40, 395086), (74, 213560), (76, 207940), (80, 197543), (95, 166352), (148, 106780), (152, 103970), (185, 85424), (190, 83176), (281, 56240), (296, 53390), (304, 51985), (370, 42712), (380, 41588), (562, 28120), (592, 26695), (703, 22480), (740, 21356), (760, 20794), (1124, 14060), (1405, 11248), (1406, 11240), (1480, 10678), (1520, 10397), (2248, 7030), (2810, 5624), (2812, 5620), (2960, 5339), (3515, 4496)]