19654320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11699}}^1$

素因数の和:11722

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 49984080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11699, 23398, 35097, 46796, 58495, 70194, 81893, 93592, 116990, 140388, 163786, 175485, 187184, 233980, 245679, 280776, 327572, 350970, 409465, 467960, 491358, 561552, 655144, 701940, 818930, 935920, 982716, 1228395, 1310288, 1403880, 1637860, 1965432, 2456790, 2807760, 3275720, 3930864, 4913580, 6551440, 9827160, 19654320]

約数ペア:

[(1, 19654320), (2, 9827160), (3, 6551440), (4, 4913580), (5, 3930864), (6, 3275720), (7, 2807760), (8, 2456790), (10, 1965432), (12, 1637860), (14, 1403880), (15, 1310288), (16, 1228395), (20, 982716), (21, 935920), (24, 818930), (28, 701940), (30, 655144), (35, 561552), (40, 491358), (42, 467960), (48, 409465), (56, 350970), (60, 327572), (70, 280776), (80, 245679), (84, 233980), (105, 187184), (112, 175485), (120, 163786), (140, 140388), (168, 116990), (210, 93592), (240, 81893), (280, 70194), (336, 58495), (420, 46796), (560, 35097), (840, 23398), (1680, 11699)]