71708220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 231648480

約数和(自身を除く): 159940260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 97, 108, 111, 135, 148, 180, 185, 194, 222, 270, 291, 333, 370, 388, 444, 485, 540, 555, 582, 666, 740, 873, 970, 999, 1110, 1164, 1332, 1369, 1455, 1665, 1746, 1940, 1998, 2220, 2619, 2738, 2910, 3330, 3492, 3589, 3996, 4107, 4365, 4995, 5238, 5476, 5820, 6660, 6845, 7178, 8214, 8730, 9990, 10476, 10767, 12321, 13095, 13690, 14356, 16428, 17460, 17945, 19980, 20535, 21534, 24642, 26190, 27380, 32301, 35890, 36963, 41070, 43068, 49284, 52380, 53835, 61605, 64602, 71780, 73926, 82140, 96903, 107670, 123210, 129204, 132793, 147852, 161505, 184815, 193806, 215340, 246420, 265586, 323010, 369630, 387612, 398379, 484515, 531172, 646020, 663965, 739260, 796758, 969030, 1195137, 1327930, 1593516, 1938060, 1991895, 2390274, 2655860, 3585411, 3983790, 4780548, 5975685, 7170822, 7967580, 11951370, 14341644, 17927055, 23902740, 35854110, 71708220]

約数ペア:

[(1, 71708220), (2, 35854110), (3, 23902740), (4, 17927055), (5, 14341644), (6, 11951370), (9, 7967580), (10, 7170822), (12, 5975685), (15, 4780548), (18, 3983790), (20, 3585411), (27, 2655860), (30, 2390274), (36, 1991895), (37, 1938060), (45, 1593516), (54, 1327930), (60, 1195137), (74, 969030), (90, 796758), (97, 739260), (108, 663965), (111, 646020), (135, 531172), (148, 484515), (180, 398379), (185, 387612), (194, 369630), (222, 323010), (270, 265586), (291, 246420), (333, 215340), (370, 193806), (388, 184815), (444, 161505), (485, 147852), (540, 132793), (555, 129204), (582, 123210), (666, 107670), (740, 96903), (873, 82140), (970, 73926), (999, 71780), (1110, 64602), (1164, 61605), (1332, 53835), (1369, 52380), (1455, 49284), (1665, 43068), (1746, 41070), (1940, 36963), (1998, 35890), (2220, 32301), (2619, 27380), (2738, 26190), (2910, 24642), (3330, 21534), (3492, 20535), (3589, 19980), (3996, 17945), (4107, 17460), (4365, 16428), (4995, 14356), (5238, 13690), (5476, 13095), (5820, 12321), (6660, 10767), (6845, 10476), (7178, 9990), (8214, 8730)]