16238755720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:1135

約数の個数: 128

約数和(自身を含む): 40265994240

約数和(自身を除く): 24027238520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 383, 440, 557, 692, 766, 865, 1114, 1384, 1532, 1730, 1903, 1915, 2228, 2785, 3064, 3460, 3806, 3830, 4213, 4456, 5570, 6127, 6920, 7612, 7660, 8426, 9515, 11140, 12254, 15224, 15320, 16852, 19030, 21065, 22280, 24508, 30635, 33704, 38060, 42130, 49016, 61270, 66259, 76120, 84260, 96361, 122540, 132518, 168520, 192722, 213331, 245080, 265036, 331295, 385444, 426662, 481805, 530072, 662590, 728849, 770888, 853324, 963610, 1059971, 1066655, 1325180, 1457698, 1706648, 1927220, 2119942, 2133310, 2346641, 2650360, 2915396, 3644245, 3854440, 4239884, 4266620, 4693282, 5299855, 5830792, 7288490, 8479768, 8533240, 9386564, 10599710, 11733205, 14576980, 18773128, 21199420, 23466410, 29153960, 36906263, 42398840, 46932820, 73812526, 93865640, 147625052, 184531315, 295250104, 369062630, 405968893, 738125260, 811937786, 1476250520, 1623875572, 2029844465, 3247751144, 4059688930, 8119377860, 16238755720]

約数ペア:

[(1, 16238755720), (2, 8119377860), (4, 4059688930), (5, 3247751144), (8, 2029844465), (10, 1623875572), (11, 1476250520), (20, 811937786), (22, 738125260), (40, 405968893), (44, 369062630), (55, 295250104), (88, 184531315), (110, 147625052), (173, 93865640), (220, 73812526), (346, 46932820), (383, 42398840), (440, 36906263), (557, 29153960), (692, 23466410), (766, 21199420), (865, 18773128), (1114, 14576980), (1384, 11733205), (1532, 10599710), (1730, 9386564), (1903, 8533240), (1915, 8479768), (2228, 7288490), (2785, 5830792), (3064, 5299855), (3460, 4693282), (3806, 4266620), (3830, 4239884), (4213, 3854440), (4456, 3644245), (5570, 2915396), (6127, 2650360), (6920, 2346641), (7612, 2133310), (7660, 2119942), (8426, 1927220), (9515, 1706648), (11140, 1457698), (12254, 1325180), (15224, 1066655), (15320, 1059971), (16852, 963610), (19030, 853324), (21065, 770888), (22280, 728849), (24508, 662590), (30635, 530072), (33704, 481805), (38060, 426662), (42130, 385444), (49016, 331295), (61270, 265036), (66259, 245080), (76120, 213331), (84260, 192722), (96361, 168520), (122540, 132518)]