721124820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8329}}^1$

素因数の和:8394

約数の個数: 144

約数和(自身を含む): 2419631760

約数和(自身を除く): 1698506940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2220, 2340, 2405, 2886, 3330, 4329, 4810, 5772, 6660, 7215, 8329, 8658, 9620, 14430, 16658, 17316, 21645, 24987, 28860, 33316, 41645, 43290, 49974, 74961, 83290, 86580, 99948, 108277, 124935, 149922, 166580, 216554, 249870, 299844, 308173, 324831, 374805, 433108, 499740, 541385, 616346, 649662, 749610, 924519, 974493, 1082770, 1232692, 1299324, 1499220, 1540865, 1624155, 1849038, 1948986, 2165540, 2773557, 3081730, 3248310, 3698076, 3897972, 4006249, 4622595, 4872465, 5547114, 6163460, 6496620, 8012498, 9245190, 9744930, 11094228, 12018747, 13867785, 16024996, 18490380, 19489860, 20031245, 24037494, 27735570, 36056241, 40062490, 48074988, 55471140, 60093735, 72112482, 80124980, 120187470, 144224964, 180281205, 240374940, 360562410, 721124820]

約数ペア:

[(1, 721124820), (2, 360562410), (3, 240374940), (4, 180281205), (5, 144224964), (6, 120187470), (9, 80124980), (10, 72112482), (12, 60093735), (13, 55471140), (15, 48074988), (18, 40062490), (20, 36056241), (26, 27735570), (30, 24037494), (36, 20031245), (37, 19489860), (39, 18490380), (45, 16024996), (52, 13867785), (60, 12018747), (65, 11094228), (74, 9744930), (78, 9245190), (90, 8012498), (111, 6496620), (117, 6163460), (130, 5547114), (148, 4872465), (156, 4622595), (180, 4006249), (185, 3897972), (195, 3698076), (222, 3248310), (234, 3081730), (260, 2773557), (333, 2165540), (370, 1948986), (390, 1849038), (444, 1624155), (468, 1540865), (481, 1499220), (555, 1299324), (585, 1232692), (666, 1082770), (740, 974493), (780, 924519), (962, 749610), (1110, 649662), (1170, 616346), (1332, 541385), (1443, 499740), (1665, 433108), (1924, 374805), (2220, 324831), (2340, 308173), (2405, 299844), (2886, 249870), (3330, 216554), (4329, 166580), (4810, 149922), (5772, 124935), (6660, 108277), (7215, 99948), (8329, 86580), (8658, 83290), (9620, 74961), (14430, 49974), (16658, 43290), (17316, 41645), (21645, 33316), (24987, 28860)]