261800280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{103889}}^1$

素因数の和:103913

約数の個数: 96

約数和(自身を含む): 972410400

約数和(自身を除く): 710610120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 103889, 207778, 311667, 415556, 519445, 623334, 727223, 831112, 935001, 1038890, 1246668, 1454446, 1558335, 1870002, 2077780, 2181669, 2493336, 2908892, 3116670, 3636115, 3740004, 4155560, 4363338, 4675005, 5817784, 6233340, 6545007, 7272230, 7480008, 8726676, 9350010, 10908345, 12466680, 13090014, 14544460, 17453352, 18700020, 21816690, 26180028, 29088920, 32725035, 37400040, 43633380, 52360056, 65450070, 87266760, 130900140, 261800280]

約数ペア:

[(1, 261800280), (2, 130900140), (3, 87266760), (4, 65450070), (5, 52360056), (6, 43633380), (7, 37400040), (8, 32725035), (9, 29088920), (10, 26180028), (12, 21816690), (14, 18700020), (15, 17453352), (18, 14544460), (20, 13090014), (21, 12466680), (24, 10908345), (28, 9350010), (30, 8726676), (35, 7480008), (36, 7272230), (40, 6545007), (42, 6233340), (45, 5817784), (56, 4675005), (60, 4363338), (63, 4155560), (70, 3740004), (72, 3636115), (84, 3116670), (90, 2908892), (105, 2493336), (120, 2181669), (126, 2077780), (140, 1870002), (168, 1558335), (180, 1454446), (210, 1246668), (252, 1038890), (280, 935001), (315, 831112), (360, 727223), (420, 623334), (504, 519445), (630, 415556), (840, 311667), (1260, 207778), (2520, 103889)]