2521440180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64553}}^1$

素因数の和:64606

約数の個数: 144

約数和(自身を含む): 9023099904

約数和(自身を除く): 6501659724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 64553, 129106, 193659, 258212, 322765, 387318, 451871, 580977, 645530, 774636, 903742, 968295, 1161954, 1291060, 1355613, 1807484, 1936590, 2001143, 2259355, 2323908, 2711226, 2904885, 3873180, 4002286, 4066839, 4518710, 5422452, 5809770, 6003429, 6778065, 8004572, 8133678, 9037420, 10005715, 11619540, 12006858, 13556130, 14008001, 16267356, 18010287, 20011430, 20334195, 24013716, 27112260, 28016002, 30017145, 36020574, 40022860, 40668390, 42024003, 56032004, 60034290, 70040005, 72041148, 81336780, 84048006, 90051435, 120068580, 126072009, 140080010, 168096012, 180102870, 210120015, 252144018, 280160020, 360205740, 420240030, 504288036, 630360045, 840480060, 1260720090, 2521440180]

約数ペア:

[(1, 2521440180), (2, 1260720090), (3, 840480060), (4, 630360045), (5, 504288036), (6, 420240030), (7, 360205740), (9, 280160020), (10, 252144018), (12, 210120015), (14, 180102870), (15, 168096012), (18, 140080010), (20, 126072009), (21, 120068580), (28, 90051435), (30, 84048006), (31, 81336780), (35, 72041148), (36, 70040005), (42, 60034290), (45, 56032004), (60, 42024003), (62, 40668390), (63, 40022860), (70, 36020574), (84, 30017145), (90, 28016002), (93, 27112260), (105, 24013716), (124, 20334195), (126, 20011430), (140, 18010287), (155, 16267356), (180, 14008001), (186, 13556130), (210, 12006858), (217, 11619540), (252, 10005715), (279, 9037420), (310, 8133678), (315, 8004572), (372, 6778065), (420, 6003429), (434, 5809770), (465, 5422452), (558, 4518710), (620, 4066839), (630, 4002286), (651, 3873180), (868, 2904885), (930, 2711226), (1085, 2323908), (1116, 2259355), (1260, 2001143), (1302, 1936590), (1395, 1807484), (1860, 1355613), (1953, 1291060), (2170, 1161954), (2604, 968295), (2790, 903742), (3255, 774636), (3906, 645530), (4340, 580977), (5580, 451871), (6510, 387318), (7812, 322765), (9765, 258212), (13020, 193659), (19530, 129106), (39060, 64553)]