18135180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 64733760

約数和(自身を除く): 46598580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 389, 420, 444, 518, 555, 630, 666, 740, 777, 778, 1036, 1110, 1167, 1260, 1295, 1332, 1554, 1556, 1665, 1945, 2220, 2331, 2334, 2590, 2723, 3108, 3330, 3501, 3885, 3890, 4662, 4668, 5180, 5446, 5835, 6660, 7002, 7770, 7780, 8169, 9324, 10892, 11655, 11670, 13615, 14004, 14393, 15540, 16338, 17505, 23310, 23340, 24507, 27230, 28786, 32676, 35010, 40845, 43179, 46620, 49014, 54460, 57572, 70020, 71965, 81690, 86358, 98028, 100751, 122535, 129537, 143930, 163380, 172716, 201502, 215895, 245070, 259074, 287860, 302253, 403004, 431790, 490140, 503755, 518148, 604506, 647685, 863580, 906759, 1007510, 1209012, 1295370, 1511265, 1813518, 2015020, 2590740, 3022530, 3627036, 4533795, 6045060, 9067590, 18135180]

約数ペア:

[(1, 18135180), (2, 9067590), (3, 6045060), (4, 4533795), (5, 3627036), (6, 3022530), (7, 2590740), (9, 2015020), (10, 1813518), (12, 1511265), (14, 1295370), (15, 1209012), (18, 1007510), (20, 906759), (21, 863580), (28, 647685), (30, 604506), (35, 518148), (36, 503755), (37, 490140), (42, 431790), (45, 403004), (60, 302253), (63, 287860), (70, 259074), (74, 245070), (84, 215895), (90, 201502), (105, 172716), (111, 163380), (126, 143930), (140, 129537), (148, 122535), (180, 100751), (185, 98028), (210, 86358), (222, 81690), (252, 71965), (259, 70020), (315, 57572), (333, 54460), (370, 49014), (389, 46620), (420, 43179), (444, 40845), (518, 35010), (555, 32676), (630, 28786), (666, 27230), (740, 24507), (777, 23340), (778, 23310), (1036, 17505), (1110, 16338), (1167, 15540), (1260, 14393), (1295, 14004), (1332, 13615), (1554, 11670), (1556, 11655), (1665, 10892), (1945, 9324), (2220, 8169), (2331, 7780), (2334, 7770), (2590, 7002), (2723, 6660), (3108, 5835), (3330, 5446), (3501, 5180), (3885, 4668), (3890, 4662)]