19689960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 42978840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 79, 93, 120, 124, 134, 155, 158, 186, 201, 237, 248, 268, 310, 316, 335, 372, 395, 402, 465, 474, 536, 620, 632, 670, 744, 790, 804, 930, 948, 1005, 1185, 1240, 1340, 1580, 1608, 1860, 1896, 2010, 2077, 2370, 2449, 2680, 3160, 3720, 4020, 4154, 4740, 4898, 5293, 6231, 7347, 8040, 8308, 9480, 9796, 10385, 10586, 12245, 12462, 14694, 15879, 16616, 19592, 20770, 21172, 24490, 24924, 26465, 29388, 31155, 31758, 36735, 41540, 42344, 48980, 49848, 52930, 58776, 62310, 63516, 73470, 79395, 83080, 97960, 105860, 124620, 127032, 146940, 158790, 164083, 211720, 249240, 293880, 317580, 328166, 492249, 635160, 656332, 820415, 984498, 1312664, 1640830, 1968996, 2461245, 3281660, 3937992, 4922490, 6563320, 9844980, 19689960]

約数ペア:

[(1, 19689960), (2, 9844980), (3, 6563320), (4, 4922490), (5, 3937992), (6, 3281660), (8, 2461245), (10, 1968996), (12, 1640830), (15, 1312664), (20, 984498), (24, 820415), (30, 656332), (31, 635160), (40, 492249), (60, 328166), (62, 317580), (67, 293880), (79, 249240), (93, 211720), (120, 164083), (124, 158790), (134, 146940), (155, 127032), (158, 124620), (186, 105860), (201, 97960), (237, 83080), (248, 79395), (268, 73470), (310, 63516), (316, 62310), (335, 58776), (372, 52930), (395, 49848), (402, 48980), (465, 42344), (474, 41540), (536, 36735), (620, 31758), (632, 31155), (670, 29388), (744, 26465), (790, 24924), (804, 24490), (930, 21172), (948, 20770), (1005, 19592), (1185, 16616), (1240, 15879), (1340, 14694), (1580, 12462), (1608, 12245), (1860, 10586), (1896, 10385), (2010, 9796), (2077, 9480), (2370, 8308), (2449, 8040), (2680, 7347), (3160, 6231), (3720, 5293), (4020, 4898), (4154, 4740)]