387596720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 692334160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 83, 112, 124, 140, 155, 166, 217, 248, 269, 280, 310, 332, 415, 434, 496, 538, 560, 581, 620, 664, 830, 868, 1076, 1085, 1162, 1240, 1328, 1345, 1660, 1736, 1883, 2152, 2170, 2324, 2480, 2573, 2690, 2905, 3320, 3472, 3766, 4304, 4340, 4648, 5146, 5380, 5810, 6640, 7532, 8339, 8680, 9296, 9415, 10292, 10760, 11620, 12865, 15064, 16678, 17360, 18011, 18830, 20584, 21520, 22327, 23240, 25730, 30128, 33356, 36022, 37660, 41168, 41695, 44654, 46480, 51460, 58373, 66712, 72044, 75320, 83390, 89308, 90055, 102920, 111635, 116746, 133424, 144088, 150640, 156289, 166780, 178616, 180110, 205840, 223270, 233492, 288176, 291865, 312578, 333560, 357232, 360220, 446540, 466984, 583730, 625156, 667120, 692137, 720440, 781445, 893080, 933968, 1167460, 1250312, 1384274, 1440880, 1562890, 1786160, 2334920, 2500624, 2768548, 3125780, 3460685, 4669840, 4844959, 5537096, 6251560, 6921370, 9689918, 11074192, 12503120, 13842740, 19379836, 24224795, 27685480, 38759672, 48449590, 55370960, 77519344, 96899180, 193798360, 387596720]

約数ペア:

[(1, 387596720), (2, 193798360), (4, 96899180), (5, 77519344), (7, 55370960), (8, 48449590), (10, 38759672), (14, 27685480), (16, 24224795), (20, 19379836), (28, 13842740), (31, 12503120), (35, 11074192), (40, 9689918), (56, 6921370), (62, 6251560), (70, 5537096), (80, 4844959), (83, 4669840), (112, 3460685), (124, 3125780), (140, 2768548), (155, 2500624), (166, 2334920), (217, 1786160), (248, 1562890), (269, 1440880), (280, 1384274), (310, 1250312), (332, 1167460), (415, 933968), (434, 893080), (496, 781445), (538, 720440), (560, 692137), (581, 667120), (620, 625156), (664, 583730), (830, 466984), (868, 446540), (1076, 360220), (1085, 357232), (1162, 333560), (1240, 312578), (1328, 291865), (1345, 288176), (1660, 233492), (1736, 223270), (1883, 205840), (2152, 180110), (2170, 178616), (2324, 166780), (2480, 156289), (2573, 150640), (2690, 144088), (2905, 133424), (3320, 116746), (3472, 111635), (3766, 102920), (4304, 90055), (4340, 89308), (4648, 83390), (5146, 75320), (5380, 72044), (5810, 66712), (6640, 58373), (7532, 51460), (8339, 46480), (8680, 44654), (9296, 41695), (9415, 41168), (10292, 37660), (10760, 36022), (11620, 33356), (12865, 30128), (15064, 25730), (16678, 23240), (17360, 22327), (18011, 21520), (18830, 20584)]