23180940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 71154720

約数和(自身を除く): 47973780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1447, 1602, 1780, 2670, 2894, 3204, 4005, 4341, 5340, 5788, 7235, 8010, 8682, 13023, 14470, 16020, 17364, 21705, 26046, 28940, 43410, 52092, 65115, 86820, 128783, 130230, 257566, 260460, 386349, 515132, 643915, 772698, 1159047, 1287830, 1545396, 1931745, 2318094, 2575660, 3863490, 4636188, 5795235, 7726980, 11590470, 23180940]

約数ペア:

[(1, 23180940), (2, 11590470), (3, 7726980), (4, 5795235), (5, 4636188), (6, 3863490), (9, 2575660), (10, 2318094), (12, 1931745), (15, 1545396), (18, 1287830), (20, 1159047), (30, 772698), (36, 643915), (45, 515132), (60, 386349), (89, 260460), (90, 257566), (178, 130230), (180, 128783), (267, 86820), (356, 65115), (445, 52092), (534, 43410), (801, 28940), (890, 26046), (1068, 21705), (1335, 17364), (1447, 16020), (1602, 14470), (1780, 13023), (2670, 8682), (2894, 8010), (3204, 7235), (4005, 5788), (4341, 5340)]