28530720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19813}}^1$

素因数の和:19834

約数の個数: 72

約数和(自身を含む): 97365996

約数和(自身を除く): 68835276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19813, 39626, 59439, 79252, 99065, 118878, 158504, 178317, 198130, 237756, 297195, 317008, 356634, 396260, 475512, 594390, 634016, 713268, 792520, 891585, 951024, 1188780, 1426536, 1585040, 1783170, 1902048, 2377560, 2853072, 3170080, 3566340, 4755120, 5706144, 7132680, 9510240, 14265360, 28530720]

約数ペア:

[(1, 28530720), (2, 14265360), (3, 9510240), (4, 7132680), (5, 5706144), (6, 4755120), (8, 3566340), (9, 3170080), (10, 2853072), (12, 2377560), (15, 1902048), (16, 1783170), (18, 1585040), (20, 1426536), (24, 1188780), (30, 951024), (32, 891585), (36, 792520), (40, 713268), (45, 634016), (48, 594390), (60, 475512), (72, 396260), (80, 356634), (90, 317008), (96, 297195), (120, 237756), (144, 198130), (160, 178317), (180, 158504), (240, 118878), (288, 99065), (360, 79252), (480, 59439), (720, 39626), (1440, 19813)]