821916780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1283

約数の個数: 96

約数和(自身を含む): 2345112000

約数和(自身を除く): 1523195220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 149, 178, 267, 298, 356, 445, 447, 534, 596, 745, 890, 894, 1033, 1068, 1335, 1490, 1780, 1788, 2066, 2235, 2670, 2980, 3099, 4132, 4470, 5165, 5340, 6198, 8940, 10330, 12396, 13261, 15495, 20660, 26522, 30990, 39783, 53044, 61980, 66305, 79566, 91937, 132610, 153917, 159132, 183874, 198915, 265220, 275811, 307834, 367748, 397830, 459685, 461751, 551622, 615668, 769585, 795660, 919370, 923502, 1103244, 1379055, 1539170, 1838740, 1847004, 2308755, 2758110, 3078340, 4617510, 5516220, 9235020, 13698613, 27397226, 41095839, 54794452, 68493065, 82191678, 136986130, 164383356, 205479195, 273972260, 410958390, 821916780]

約数ペア:

[(1, 821916780), (2, 410958390), (3, 273972260), (4, 205479195), (5, 164383356), (6, 136986130), (10, 82191678), (12, 68493065), (15, 54794452), (20, 41095839), (30, 27397226), (60, 13698613), (89, 9235020), (149, 5516220), (178, 4617510), (267, 3078340), (298, 2758110), (356, 2308755), (445, 1847004), (447, 1838740), (534, 1539170), (596, 1379055), (745, 1103244), (890, 923502), (894, 919370), (1033, 795660), (1068, 769585), (1335, 615668), (1490, 551622), (1780, 461751), (1788, 459685), (2066, 397830), (2235, 367748), (2670, 307834), (2980, 275811), (3099, 265220), (4132, 198915), (4470, 183874), (5165, 159132), (5340, 153917), (6198, 132610), (8940, 91937), (10330, 79566), (12396, 66305), (13261, 61980), (15495, 53044), (20660, 39783), (26522, 30990)]