180402640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 501396480

約数和(自身を除く): 320993840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 170, 176, 187, 220, 248, 272, 310, 340, 341, 374, 389, 440, 496, 527, 620, 680, 682, 748, 778, 880, 935, 1054, 1240, 1360, 1364, 1496, 1556, 1705, 1870, 1945, 2108, 2480, 2635, 2728, 2992, 3112, 3410, 3740, 3890, 4216, 4279, 5270, 5456, 5797, 6224, 6613, 6820, 7480, 7780, 8432, 8558, 10540, 11594, 12059, 13226, 13640, 14960, 15560, 17116, 21080, 21395, 23188, 24118, 26452, 27280, 28985, 31120, 33065, 34232, 42160, 42790, 46376, 48236, 52904, 57970, 60295, 66130, 68464, 72743, 85580, 92752, 96472, 105808, 115940, 120590, 132260, 132649, 145486, 171160, 192944, 205003, 231880, 241180, 264520, 265298, 290972, 342320, 363715, 410006, 463760, 482360, 529040, 530596, 581944, 663245, 727430, 820012, 964720, 1025015, 1061192, 1163888, 1326490, 1454860, 1640024, 2050030, 2122384, 2255033, 2652980, 2909720, 3280048, 4100060, 4510066, 5305960, 5819440, 8200120, 9020132, 10611920, 11275165, 16400240, 18040264, 22550330, 36080528, 45100660, 90201320, 180402640]

約数ペア:

[(1, 180402640), (2, 90201320), (4, 45100660), (5, 36080528), (8, 22550330), (10, 18040264), (11, 16400240), (16, 11275165), (17, 10611920), (20, 9020132), (22, 8200120), (31, 5819440), (34, 5305960), (40, 4510066), (44, 4100060), (55, 3280048), (62, 2909720), (68, 2652980), (80, 2255033), (85, 2122384), (88, 2050030), (110, 1640024), (124, 1454860), (136, 1326490), (155, 1163888), (170, 1061192), (176, 1025015), (187, 964720), (220, 820012), (248, 727430), (272, 663245), (310, 581944), (340, 530596), (341, 529040), (374, 482360), (389, 463760), (440, 410006), (496, 363715), (527, 342320), (620, 290972), (680, 265298), (682, 264520), (748, 241180), (778, 231880), (880, 205003), (935, 192944), (1054, 171160), (1240, 145486), (1360, 132649), (1364, 132260), (1496, 120590), (1556, 115940), (1705, 105808), (1870, 96472), (1945, 92752), (2108, 85580), (2480, 72743), (2635, 68464), (2728, 66130), (2992, 60295), (3112, 57970), (3410, 52904), (3740, 48236), (3890, 46376), (4216, 42790), (4279, 42160), (5270, 34232), (5456, 33065), (5797, 31120), (6224, 28985), (6613, 27280), (6820, 26452), (7480, 24118), (7780, 23188), (8432, 21395), (8558, 21080), (10540, 17116), (11594, 15560), (12059, 14960), (13226, 13640)]