253733220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 216

約数和(自身を含む): 879278400

約数和(自身を除く): 625545180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 169, 171, 180, 190, 195, 228, 234, 247, 260, 285, 338, 342, 380, 390, 439, 468, 494, 507, 570, 585, 676, 684, 741, 780, 845, 855, 878, 988, 1014, 1140, 1170, 1235, 1317, 1482, 1521, 1690, 1710, 1756, 2028, 2195, 2223, 2340, 2470, 2535, 2634, 2964, 3042, 3211, 3380, 3420, 3705, 3951, 4390, 4446, 4940, 5070, 5268, 5707, 6084, 6422, 6585, 7410, 7605, 7902, 8341, 8780, 8892, 9633, 10140, 11115, 11414, 12844, 13170, 14820, 15210, 15804, 16055, 16682, 17121, 19266, 19755, 22230, 22828, 25023, 26340, 28535, 28899, 30420, 32110, 33364, 34242, 38532, 39510, 41705, 44460, 48165, 50046, 51363, 57070, 57798, 64220, 68484, 74191, 75069, 79020, 83410, 85605, 96330, 100092, 102726, 108433, 114140, 115596, 125115, 144495, 148382, 150138, 166820, 171210, 192660, 205452, 216866, 222573, 250230, 256815, 288990, 296764, 300276, 325299, 342420, 370955, 375345, 433732, 445146, 500460, 513630, 542165, 577980, 650598, 667719, 741910, 750690, 890292, 975897, 1027260, 1084330, 1112865, 1301196, 1335438, 1409629, 1483820, 1501380, 1626495, 1951794, 2168660, 2225730, 2670876, 2819258, 3252990, 3338595, 3903588, 4228887, 4451460, 4879485, 5638516, 6505980, 6677190, 7048145, 8457774, 9758970, 12686661, 13354380, 14096290, 16915548, 19517940, 21144435, 25373322, 28192580, 42288870, 50746644, 63433305, 84577740, 126866610, 253733220]

約数ペア:

[(1, 253733220), (2, 126866610), (3, 84577740), (4, 63433305), (5, 50746644), (6, 42288870), (9, 28192580), (10, 25373322), (12, 21144435), (13, 19517940), (15, 16915548), (18, 14096290), (19, 13354380), (20, 12686661), (26, 9758970), (30, 8457774), (36, 7048145), (38, 6677190), (39, 6505980), (45, 5638516), (52, 4879485), (57, 4451460), (60, 4228887), (65, 3903588), (76, 3338595), (78, 3252990), (90, 2819258), (95, 2670876), (114, 2225730), (117, 2168660), (130, 1951794), (156, 1626495), (169, 1501380), (171, 1483820), (180, 1409629), (190, 1335438), (195, 1301196), (228, 1112865), (234, 1084330), (247, 1027260), (260, 975897), (285, 890292), (338, 750690), (342, 741910), (380, 667719), (390, 650598), (439, 577980), (468, 542165), (494, 513630), (507, 500460), (570, 445146), (585, 433732), (676, 375345), (684, 370955), (741, 342420), (780, 325299), (845, 300276), (855, 296764), (878, 288990), (988, 256815), (1014, 250230), (1140, 222573), (1170, 216866), (1235, 205452), (1317, 192660), (1482, 171210), (1521, 166820), (1690, 150138), (1710, 148382), (1756, 144495), (2028, 125115), (2195, 115596), (2223, 114140), (2340, 108433), (2470, 102726), (2535, 100092), (2634, 96330), (2964, 85605), (3042, 83410), (3211, 79020), (3380, 75069), (3420, 74191), (3705, 68484), (3951, 64220), (4390, 57798), (4446, 57070), (4940, 51363), (5070, 50046), (5268, 48165), (5707, 44460), (6084, 41705), (6422, 39510), (6585, 38532), (7410, 34242), (7605, 33364), (7902, 32110), (8341, 30420), (8780, 28899), (8892, 28535), (9633, 26340), (10140, 25023), (11115, 22828), (11414, 22230), (12844, 19755), (13170, 19266), (14820, 17121), (15210, 16682), (15804, 16055)]