289556820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6211}}^1$

素因数の和:6270

約数の個数: 144

約数和(自身を含む): 1031092608

約数和(自身を除く): 741535788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6211, 6660, 7770, 9324, 11655, 12422, 15540, 18633, 23310, 24844, 31055, 37266, 43477, 46620, 55899, 62110, 74532, 86954, 93165, 111798, 124220, 130431, 173908, 186330, 217385, 223596, 229807, 260862, 279495, 372660, 391293, 434770, 459614, 521724, 558990, 652155, 689421, 782586, 869540, 919228, 1117980, 1149035, 1304310, 1378842, 1565172, 1608649, 1956465, 2068263, 2298070, 2608620, 2757684, 3217298, 3447105, 3912930, 4136526, 4596140, 4825947, 6434596, 6894210, 7825860, 8043245, 8273052, 9651894, 10341315, 13788420, 14477841, 16086490, 19303788, 20682630, 24129735, 28955682, 32172980, 41365260, 48259470, 57911364, 72389205, 96518940, 144778410, 289556820]

約数ペア:

[(1, 289556820), (2, 144778410), (3, 96518940), (4, 72389205), (5, 57911364), (6, 48259470), (7, 41365260), (9, 32172980), (10, 28955682), (12, 24129735), (14, 20682630), (15, 19303788), (18, 16086490), (20, 14477841), (21, 13788420), (28, 10341315), (30, 9651894), (35, 8273052), (36, 8043245), (37, 7825860), (42, 6894210), (45, 6434596), (60, 4825947), (63, 4596140), (70, 4136526), (74, 3912930), (84, 3447105), (90, 3217298), (105, 2757684), (111, 2608620), (126, 2298070), (140, 2068263), (148, 1956465), (180, 1608649), (185, 1565172), (210, 1378842), (222, 1304310), (252, 1149035), (259, 1117980), (315, 919228), (333, 869540), (370, 782586), (420, 689421), (444, 652155), (518, 558990), (555, 521724), (630, 459614), (666, 434770), (740, 391293), (777, 372660), (1036, 279495), (1110, 260862), (1260, 229807), (1295, 223596), (1332, 217385), (1554, 186330), (1665, 173908), (2220, 130431), (2331, 124220), (2590, 111798), (3108, 93165), (3330, 86954), (3885, 74532), (4662, 62110), (5180, 55899), (6211, 46620), (6660, 43477), (7770, 37266), (9324, 31055), (11655, 24844), (12422, 23310), (15540, 18633)]