215396460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1712

約数の個数: 144

約数和(自身を含む): 708323616

約数和(自身を除く): 492927156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1637, 1935, 2193, 2580, 2924, 3060, 3274, 3655, 3870, 4386, 4911, 6548, 6579, 7310, 7740, 8185, 8772, 9822, 10965, 13158, 14620, 14733, 16370, 19644, 21930, 24555, 26316, 27829, 29466, 32740, 32895, 43860, 49110, 55658, 58932, 65790, 70391, 73665, 83487, 98220, 111316, 131580, 139145, 140782, 147330, 166974, 211173, 250461, 278290, 281564, 294660, 333948, 351955, 417435, 422346, 500922, 556580, 633519, 703910, 834870, 844692, 1001844, 1055865, 1196647, 1252305, 1267038, 1407820, 1669740, 2111730, 2393294, 2504610, 2534076, 3167595, 3589941, 4223460, 4786588, 5009220, 5983235, 6335190, 7179882, 10769823, 11966470, 12670380, 14359764, 17949705, 21539646, 23932940, 35899410, 43079292, 53849115, 71798820, 107698230, 215396460]

約数ペア:

[(1, 215396460), (2, 107698230), (3, 71798820), (4, 53849115), (5, 43079292), (6, 35899410), (9, 23932940), (10, 21539646), (12, 17949705), (15, 14359764), (17, 12670380), (18, 11966470), (20, 10769823), (30, 7179882), (34, 6335190), (36, 5983235), (43, 5009220), (45, 4786588), (51, 4223460), (60, 3589941), (68, 3167595), (85, 2534076), (86, 2504610), (90, 2393294), (102, 2111730), (129, 1669740), (153, 1407820), (170, 1267038), (172, 1252305), (180, 1196647), (204, 1055865), (215, 1001844), (255, 844692), (258, 834870), (306, 703910), (340, 633519), (387, 556580), (430, 500922), (510, 422346), (516, 417435), (612, 351955), (645, 333948), (731, 294660), (765, 281564), (774, 278290), (860, 250461), (1020, 211173), (1290, 166974), (1462, 147330), (1530, 140782), (1548, 139145), (1637, 131580), (1935, 111316), (2193, 98220), (2580, 83487), (2924, 73665), (3060, 70391), (3274, 65790), (3655, 58932), (3870, 55658), (4386, 49110), (4911, 43860), (6548, 32895), (6579, 32740), (7310, 29466), (7740, 27829), (8185, 26316), (8772, 24555), (9822, 21930), (10965, 19644), (13158, 16370), (14620, 14733)]