450978080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 1261189440

約数和(自身を除く): 810211360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 419, 434, 496, 560, 620, 838, 868, 961, 992, 1085, 1120, 1240, 1676, 1736, 1922, 2095, 2170, 2480, 2933, 3352, 3472, 3844, 4190, 4340, 4805, 4960, 5866, 6704, 6727, 6944, 7688, 8380, 8680, 9610, 11732, 12989, 13408, 13454, 14665, 15376, 16760, 17360, 19220, 23464, 25978, 26908, 29330, 30752, 33520, 33635, 34720, 38440, 46928, 51956, 53816, 58660, 64945, 67040, 67270, 76880, 90923, 93856, 103912, 107632, 117320, 129890, 134540, 153760, 181846, 207824, 215264, 234640, 259780, 269080, 363692, 402659, 415648, 454615, 469280, 519560, 538160, 727384, 805318, 909230, 1039120, 1076320, 1454768, 1610636, 1818460, 2013295, 2078240, 2818613, 2909536, 3221272, 3636920, 4026590, 5637226, 6442544, 7273840, 8053180, 11274452, 12885088, 14093065, 14547680, 16106360, 22548904, 28186130, 32212720, 45097808, 56372260, 64425440, 90195616, 112744520, 225489040, 450978080]

約数ペア:

[(1, 450978080), (2, 225489040), (4, 112744520), (5, 90195616), (7, 64425440), (8, 56372260), (10, 45097808), (14, 32212720), (16, 28186130), (20, 22548904), (28, 16106360), (31, 14547680), (32, 14093065), (35, 12885088), (40, 11274452), (56, 8053180), (62, 7273840), (70, 6442544), (80, 5637226), (112, 4026590), (124, 3636920), (140, 3221272), (155, 2909536), (160, 2818613), (217, 2078240), (224, 2013295), (248, 1818460), (280, 1610636), (310, 1454768), (419, 1076320), (434, 1039120), (496, 909230), (560, 805318), (620, 727384), (838, 538160), (868, 519560), (961, 469280), (992, 454615), (1085, 415648), (1120, 402659), (1240, 363692), (1676, 269080), (1736, 259780), (1922, 234640), (2095, 215264), (2170, 207824), (2480, 181846), (2933, 153760), (3352, 134540), (3472, 129890), (3844, 117320), (4190, 107632), (4340, 103912), (4805, 93856), (4960, 90923), (5866, 76880), (6704, 67270), (6727, 67040), (6944, 64945), (7688, 58660), (8380, 53816), (8680, 51956), (9610, 46928), (11732, 38440), (12989, 34720), (13408, 33635), (13454, 33520), (14665, 30752), (15376, 29330), (16760, 26908), (17360, 25978), (19220, 23464)]