2681728140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491159}}^1$

素因数の和:491191

約数の個数: 96

約数和(自身を含む): 9241666560

約数和(自身を除く): 6559938420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 491159, 982318, 1473477, 1964636, 2455795, 2946954, 3438113, 4911590, 5893908, 6385067, 6876226, 7367385, 9823180, 10314339, 12770134, 13752452, 14734770, 17190565, 19155201, 20628678, 25540268, 29469540, 31925335, 34381130, 38310402, 41257356, 44695469, 51571695, 63850670, 68762260, 76620804, 89390938, 95776005, 103143390, 127701340, 134086407, 178781876, 191552010, 206286780, 223477345, 268172814, 383104020, 446954690, 536345628, 670432035, 893909380, 1340864070, 2681728140]

約数ペア:

[(1, 2681728140), (2, 1340864070), (3, 893909380), (4, 670432035), (5, 536345628), (6, 446954690), (7, 383104020), (10, 268172814), (12, 223477345), (13, 206286780), (14, 191552010), (15, 178781876), (20, 134086407), (21, 127701340), (26, 103143390), (28, 95776005), (30, 89390938), (35, 76620804), (39, 68762260), (42, 63850670), (52, 51571695), (60, 44695469), (65, 41257356), (70, 38310402), (78, 34381130), (84, 31925335), (91, 29469540), (105, 25540268), (130, 20628678), (140, 19155201), (156, 17190565), (182, 14734770), (195, 13752452), (210, 12770134), (260, 10314339), (273, 9823180), (364, 7367385), (390, 6876226), (420, 6385067), (455, 5893908), (546, 4911590), (780, 3438113), (910, 2946954), (1092, 2455795), (1365, 1964636), (1820, 1473477), (2730, 982318), (5460, 491159)]