15828720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 49630752

約数和(自身を除く): 33802032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 653, 808, 1010, 1212, 1306, 1515, 1616, 1959, 2020, 2424, 2612, 3030, 3265, 3918, 4040, 4848, 5224, 6060, 6530, 7836, 8080, 9795, 10448, 12120, 13060, 15672, 19590, 24240, 26120, 31344, 39180, 52240, 65953, 78360, 131906, 156720, 197859, 263812, 329765, 395718, 527624, 659530, 791436, 989295, 1055248, 1319060, 1582872, 1978590, 2638120, 3165744, 3957180, 5276240, 7914360, 15828720]

約数ペア:

[(1, 15828720), (2, 7914360), (3, 5276240), (4, 3957180), (5, 3165744), (6, 2638120), (8, 1978590), (10, 1582872), (12, 1319060), (15, 1055248), (16, 989295), (20, 791436), (24, 659530), (30, 527624), (40, 395718), (48, 329765), (60, 263812), (80, 197859), (101, 156720), (120, 131906), (202, 78360), (240, 65953), (303, 52240), (404, 39180), (505, 31344), (606, 26120), (653, 24240), (808, 19590), (1010, 15672), (1212, 13060), (1306, 12120), (1515, 10448), (1616, 9795), (1959, 8080), (2020, 7836), (2424, 6530), (2612, 6060), (3030, 5224), (3265, 4848), (3918, 4040)]