721045260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7901}}^1$

素因数の和:7945

約数の個数: 144

約数和(自身を含む): 2429390880

約数和(自身を除く): 1708345620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 1014, 1170, 1404, 1521, 1690, 1755, 2028, 2340, 2535, 3042, 3380, 3510, 4563, 5070, 6084, 7020, 7605, 7901, 9126, 10140, 15210, 15802, 18252, 22815, 23703, 30420, 31604, 39505, 45630, 47406, 71109, 79010, 91260, 94812, 102713, 118515, 142218, 158020, 205426, 213327, 237030, 284436, 308139, 355545, 410852, 426654, 474060, 513565, 616278, 711090, 853308, 924417, 1027130, 1066635, 1232556, 1335269, 1422180, 1540695, 1848834, 2054260, 2133270, 2670538, 2773251, 3081390, 3697668, 4005807, 4266540, 4622085, 5341076, 5546502, 6162780, 6676345, 8011614, 9244170, 11093004, 12017421, 13352690, 13866255, 16023228, 18488340, 20029035, 24034842, 26705380, 27732510, 36052263, 40058070, 48069684, 55465020, 60087105, 72104526, 80116140, 120174210, 144209052, 180261315, 240348420, 360522630, 721045260]

約数ペア:

[(1, 721045260), (2, 360522630), (3, 240348420), (4, 180261315), (5, 144209052), (6, 120174210), (9, 80116140), (10, 72104526), (12, 60087105), (13, 55465020), (15, 48069684), (18, 40058070), (20, 36052263), (26, 27732510), (27, 26705380), (30, 24034842), (36, 20029035), (39, 18488340), (45, 16023228), (52, 13866255), (54, 13352690), (60, 12017421), (65, 11093004), (78, 9244170), (90, 8011614), (108, 6676345), (117, 6162780), (130, 5546502), (135, 5341076), (156, 4622085), (169, 4266540), (180, 4005807), (195, 3697668), (234, 3081390), (260, 2773251), (270, 2670538), (338, 2133270), (351, 2054260), (390, 1848834), (468, 1540695), (507, 1422180), (540, 1335269), (585, 1232556), (676, 1066635), (702, 1027130), (780, 924417), (845, 853308), (1014, 711090), (1170, 616278), (1404, 513565), (1521, 474060), (1690, 426654), (1755, 410852), (2028, 355545), (2340, 308139), (2535, 284436), (3042, 237030), (3380, 213327), (3510, 205426), (4563, 158020), (5070, 142218), (6084, 118515), (7020, 102713), (7605, 94812), (7901, 91260), (9126, 79010), (10140, 71109), (15210, 47406), (15802, 45630), (18252, 39505), (22815, 31604), (23703, 30420)]