40018320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 139991040

約数和(自身を除く): 99972720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 180, 191, 194, 216, 240, 270, 291, 360, 382, 388, 432, 485, 540, 573, 582, 720, 764, 776, 873, 955, 970, 1080, 1146, 1164, 1455, 1528, 1552, 1719, 1746, 1910, 1940, 2160, 2292, 2328, 2619, 2865, 2910, 3056, 3438, 3492, 3820, 3880, 4365, 4584, 4656, 5157, 5238, 5730, 5820, 6876, 6984, 7640, 7760, 8595, 8730, 9168, 10314, 10476, 11460, 11640, 13095, 13752, 13968, 15280, 17190, 17460, 18527, 20628, 20952, 22920, 23280, 25785, 26190, 27504, 34380, 34920, 37054, 41256, 41904, 45840, 51570, 52380, 55581, 68760, 69840, 74108, 82512, 92635, 103140, 104760, 111162, 137520, 148216, 166743, 185270, 206280, 209520, 222324, 277905, 296432, 333486, 370540, 412560, 444648, 500229, 555810, 666972, 741080, 833715, 889296, 1000458, 1111620, 1333944, 1482160, 1667430, 2000916, 2223240, 2501145, 2667888, 3334860, 4001832, 4446480, 5002290, 6669720, 8003664, 10004580, 13339440, 20009160, 40018320]

約数ペア:

[(1, 40018320), (2, 20009160), (3, 13339440), (4, 10004580), (5, 8003664), (6, 6669720), (8, 5002290), (9, 4446480), (10, 4001832), (12, 3334860), (15, 2667888), (16, 2501145), (18, 2223240), (20, 2000916), (24, 1667430), (27, 1482160), (30, 1333944), (36, 1111620), (40, 1000458), (45, 889296), (48, 833715), (54, 741080), (60, 666972), (72, 555810), (80, 500229), (90, 444648), (97, 412560), (108, 370540), (120, 333486), (135, 296432), (144, 277905), (180, 222324), (191, 209520), (194, 206280), (216, 185270), (240, 166743), (270, 148216), (291, 137520), (360, 111162), (382, 104760), (388, 103140), (432, 92635), (485, 82512), (540, 74108), (573, 69840), (582, 68760), (720, 55581), (764, 52380), (776, 51570), (873, 45840), (955, 41904), (970, 41256), (1080, 37054), (1146, 34920), (1164, 34380), (1455, 27504), (1528, 26190), (1552, 25785), (1719, 23280), (1746, 22920), (1910, 20952), (1940, 20628), (2160, 18527), (2292, 17460), (2328, 17190), (2619, 15280), (2865, 13968), (2910, 13752), (3056, 13095), (3438, 11640), (3492, 11460), (3820, 10476), (3880, 10314), (4365, 9168), (4584, 8730), (4656, 8595), (5157, 7760), (5238, 7640), (5730, 6984), (5820, 6876)]