278902260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17027}}^1$

素因数の和:17062

約数の個数: 144

約数和(自身を含む): 1041296256

約数和(自身を除く): 762393996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17027, 34054, 51081, 68108, 85135, 102162, 119189, 153243, 170270, 204324, 221351, 238378, 255405, 306486, 340540, 357567, 442702, 476756, 510810, 595945, 612972, 664053, 715134, 766215, 885404, 1021620, 1072701, 1106755, 1191890, 1328106, 1430268, 1532430, 1549457, 1787835, 1992159, 2145402, 2213510, 2383780, 2656212, 3064860, 3098914, 3320265, 3575670, 3984318, 4290804, 4427020, 4648371, 5363505, 6197828, 6640530, 7151340, 7747285, 7968636, 9296742, 9960795, 10727010, 13281060, 13945113, 15494570, 18593484, 19921590, 21454020, 23241855, 27890226, 30989140, 39843180, 46483710, 55780452, 69725565, 92967420, 139451130, 278902260]

約数ペア:

[(1, 278902260), (2, 139451130), (3, 92967420), (4, 69725565), (5, 55780452), (6, 46483710), (7, 39843180), (9, 30989140), (10, 27890226), (12, 23241855), (13, 21454020), (14, 19921590), (15, 18593484), (18, 15494570), (20, 13945113), (21, 13281060), (26, 10727010), (28, 9960795), (30, 9296742), (35, 7968636), (36, 7747285), (39, 7151340), (42, 6640530), (45, 6197828), (52, 5363505), (60, 4648371), (63, 4427020), (65, 4290804), (70, 3984318), (78, 3575670), (84, 3320265), (90, 3098914), (91, 3064860), (105, 2656212), (117, 2383780), (126, 2213510), (130, 2145402), (140, 1992159), (156, 1787835), (180, 1549457), (182, 1532430), (195, 1430268), (210, 1328106), (234, 1191890), (252, 1106755), (260, 1072701), (273, 1021620), (315, 885404), (364, 766215), (390, 715134), (420, 664053), (455, 612972), (468, 595945), (546, 510810), (585, 476756), (630, 442702), (780, 357567), (819, 340540), (910, 306486), (1092, 255405), (1170, 238378), (1260, 221351), (1365, 204324), (1638, 170270), (1820, 153243), (2340, 119189), (2730, 102162), (3276, 85135), (4095, 68108), (5460, 51081), (8190, 34054), (16380, 17027)]