646825500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{15971}}^1$

素因数の和:16002

約数の個数: 120

約数和(自身を含む): 2110412304

約数和(自身を除く): 1463586804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 2025, 2250, 2700, 3375, 4050, 4500, 6750, 8100, 10125, 13500, 15971, 20250, 31942, 40500, 47913, 63884, 79855, 95826, 143739, 159710, 191652, 239565, 287478, 319420, 399275, 431217, 479130, 574956, 718695, 798550, 862434, 958260, 1197825, 1293651, 1437390, 1597100, 1724868, 1996375, 2156085, 2395650, 2587302, 2874780, 3593475, 3992750, 4312170, 4791300, 5174604, 5989125, 6468255, 7186950, 7985500, 8624340, 10780425, 11978250, 12936510, 14373900, 17967375, 21560850, 23956500, 25873020, 32341275, 35934750, 43121700, 53902125, 64682550, 71869500, 107804250, 129365100, 161706375, 215608500, 323412750, 646825500]

約数ペア:

[(1, 646825500), (2, 323412750), (3, 215608500), (4, 161706375), (5, 129365100), (6, 107804250), (9, 71869500), (10, 64682550), (12, 53902125), (15, 43121700), (18, 35934750), (20, 32341275), (25, 25873020), (27, 23956500), (30, 21560850), (36, 17967375), (45, 14373900), (50, 12936510), (54, 11978250), (60, 10780425), (75, 8624340), (81, 7985500), (90, 7186950), (100, 6468255), (108, 5989125), (125, 5174604), (135, 4791300), (150, 4312170), (162, 3992750), (180, 3593475), (225, 2874780), (250, 2587302), (270, 2395650), (300, 2156085), (324, 1996375), (375, 1724868), (405, 1597100), (450, 1437390), (500, 1293651), (540, 1197825), (675, 958260), (750, 862434), (810, 798550), (900, 718695), (1125, 574956), (1350, 479130), (1500, 431217), (1620, 399275), (2025, 319420), (2250, 287478), (2700, 239565), (3375, 191652), (4050, 159710), (4500, 143739), (6750, 95826), (8100, 79855), (10125, 63884), (13500, 47913), (15971, 40500), (20250, 31942)]