25720920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1985

約数の個数: 96

約数和(自身を含む): 85896720

約数和(自身を除く): 60175800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 1931, 2220, 2664, 3330, 3862, 4440, 5793, 6660, 7724, 9655, 11586, 13320, 15448, 17379, 19310, 23172, 28965, 34758, 38620, 46344, 57930, 69516, 71447, 77240, 86895, 115860, 139032, 142894, 173790, 214341, 231720, 285788, 347580, 357235, 428682, 571576, 643023, 695160, 714470, 857364, 1071705, 1286046, 1428940, 1714728, 2143410, 2572092, 2857880, 3215115, 4286820, 5144184, 6430230, 8573640, 12860460, 25720920]

約数ペア:

[(1, 25720920), (2, 12860460), (3, 8573640), (4, 6430230), (5, 5144184), (6, 4286820), (8, 3215115), (9, 2857880), (10, 2572092), (12, 2143410), (15, 1714728), (18, 1428940), (20, 1286046), (24, 1071705), (30, 857364), (36, 714470), (37, 695160), (40, 643023), (45, 571576), (60, 428682), (72, 357235), (74, 347580), (90, 285788), (111, 231720), (120, 214341), (148, 173790), (180, 142894), (185, 139032), (222, 115860), (296, 86895), (333, 77240), (360, 71447), (370, 69516), (444, 57930), (555, 46344), (666, 38620), (740, 34758), (888, 28965), (1110, 23172), (1332, 19310), (1480, 17379), (1665, 15448), (1931, 13320), (2220, 11586), (2664, 9655), (3330, 7724), (3862, 6660), (4440, 5793)]