71240940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4551

約数の個数: 72

約数和(自身を含む): 218574720

約数和(自身を除く): 147333780

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, 1602, 1780, 2670, 3204, 4005, 4447, 5340, 8010, 8894, 13341, 16020, 17788, 22235, 26682, 40023, 44470, 53364, 66705, 80046, 88940, 133410, 160092, 200115, 266820, 395783, 400230, 791566, 800460, 1187349, 1583132, 1978915, 2374698, 3562047, 3957830, 4749396, 5936745, 7124094, 7915660, 11873490, 14248188, 17810235, 23746980, 35620470, 71240940]

約数ペア:

[(1, 71240940), (2, 35620470), (3, 23746980), (4, 17810235), (5, 14248188), (6, 11873490), (9, 7915660), (10, 7124094), (12, 5936745), (15, 4749396), (18, 3957830), (20, 3562047), (30, 2374698), (36, 1978915), (45, 1583132), (60, 1187349), (89, 800460), (90, 791566), (178, 400230), (180, 395783), (267, 266820), (356, 200115), (445, 160092), (534, 133410), (801, 88940), (890, 80046), (1068, 66705), (1335, 53364), (1602, 44470), (1780, 40023), (2670, 26682), (3204, 22235), (4005, 17788), (4447, 16020), (5340, 13341), (8010, 8894)]