81059850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3032

約数の個数: 72

約数和(自身を含む): 221425932

約数和(自身を除く): 140366082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 915, 1098, 1525, 1830, 2745, 2953, 3050, 4575, 5490, 5906, 8859, 9150, 13725, 14765, 17718, 26577, 27450, 29530, 44295, 53154, 73825, 88590, 132885, 147650, 180133, 221475, 265770, 360266, 442950, 540399, 664425, 900665, 1080798, 1328850, 1621197, 1801330, 2701995, 3242394, 4503325, 5403990, 8105985, 9006650, 13509975, 16211970, 27019950, 40529925, 81059850]

約数ペア:

[(1, 81059850), (2, 40529925), (3, 27019950), (5, 16211970), (6, 13509975), (9, 9006650), (10, 8105985), (15, 5403990), (18, 4503325), (25, 3242394), (30, 2701995), (45, 1801330), (50, 1621197), (61, 1328850), (75, 1080798), (90, 900665), (122, 664425), (150, 540399), (183, 442950), (225, 360266), (305, 265770), (366, 221475), (450, 180133), (549, 147650), (610, 132885), (915, 88590), (1098, 73825), (1525, 53154), (1830, 44295), (2745, 29530), (2953, 27450), (3050, 26577), (4575, 17718), (5490, 14765), (5906, 13725), (8859, 9150)]