638633700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 288

約数和(自身を含む): 2208192000

約数和(自身を除く): 1569558300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 59, 60, 75, 76, 90, 95, 100, 108, 114, 118, 135, 150, 171, 177, 180, 190, 211, 225, 228, 236, 270, 285, 295, 300, 342, 354, 380, 422, 450, 475, 513, 531, 540, 570, 590, 633, 675, 684, 708, 844, 855, 885, 900, 950, 1026, 1055, 1062, 1121, 1140, 1180, 1266, 1350, 1425, 1475, 1593, 1710, 1770, 1899, 1900, 2052, 2110, 2124, 2242, 2532, 2565, 2655, 2700, 2850, 2950, 3165, 3186, 3363, 3420, 3540, 3798, 4009, 4220, 4275, 4425, 4484, 5130, 5275, 5310, 5605, 5697, 5700, 5900, 6330, 6372, 6726, 7596, 7965, 8018, 8550, 8850, 9495, 10089, 10260, 10550, 10620, 11210, 11394, 12027, 12449, 12660, 12825, 13275, 13452, 15825, 15930, 16036, 16815, 17100, 17700, 18990, 20045, 20178, 21100, 22420, 22788, 24054, 24898, 25650, 26550, 28025, 28485, 30267, 31650, 31860, 33630, 36081, 37347, 37980, 39825, 40090, 40356, 47475, 48108, 49796, 50445, 51300, 53100, 56050, 56970, 60135, 60534, 62245, 63300, 67260, 72162, 74694, 79650, 80180, 84075, 94950, 100225, 100890, 108243, 112041, 112100, 113940, 120270, 121068, 124490, 142425, 144324, 149388, 151335, 159300, 168150, 180405, 186735, 189900, 200450, 201780, 216486, 224082, 236531, 240540, 248980, 252225, 284850, 300675, 302670, 311225, 336123, 336300, 360810, 373470, 400900, 432972, 448164, 473062, 504450, 541215, 560205, 569700, 601350, 605340, 622450, 672246, 709593, 721620, 746940, 756675, 902025, 933675, 946124, 1008900, 1082430, 1120410, 1182655, 1202700, 1244900, 1344492, 1419186, 1513350, 1680615, 1804050, 1867350, 2128779, 2164860, 2240820, 2365310, 2706075, 2801025, 2838372, 3026700, 3361230, 3547965, 3608100, 3734700, 4257558, 4730620, 5412150, 5602050, 5913275, 6386337, 6722460, 7095930, 8403075, 8515116, 10643895, 10824300, 11204100, 11826550, 12772674, 14191860, 16806150, 17739825, 21287790, 23653100, 25545348, 31931685, 33612300, 35479650, 42575580, 53219475, 63863370, 70959300, 106438950, 127726740, 159658425, 212877900, 319316850, 638633700]

約数ペア:

[(1, 638633700), (2, 319316850), (3, 212877900), (4, 159658425), (5, 127726740), (6, 106438950), (9, 70959300), (10, 63863370), (12, 53219475), (15, 42575580), (18, 35479650), (19, 33612300), (20, 31931685), (25, 25545348), (27, 23653100), (30, 21287790), (36, 17739825), (38, 16806150), (45, 14191860), (50, 12772674), (54, 11826550), (57, 11204100), (59, 10824300), (60, 10643895), (75, 8515116), (76, 8403075), (90, 7095930), (95, 6722460), (100, 6386337), (108, 5913275), (114, 5602050), (118, 5412150), (135, 4730620), (150, 4257558), (171, 3734700), (177, 3608100), (180, 3547965), (190, 3361230), (211, 3026700), (225, 2838372), (228, 2801025), (236, 2706075), (270, 2365310), (285, 2240820), (295, 2164860), (300, 2128779), (342, 1867350), (354, 1804050), (380, 1680615), (422, 1513350), (450, 1419186), (475, 1344492), (513, 1244900), (531, 1202700), (540, 1182655), (570, 1120410), (590, 1082430), (633, 1008900), (675, 946124), (684, 933675), (708, 902025), (844, 756675), (855, 746940), (885, 721620), (900, 709593), (950, 672246), (1026, 622450), (1055, 605340), (1062, 601350), (1121, 569700), (1140, 560205), (1180, 541215), (1266, 504450), (1350, 473062), (1425, 448164), (1475, 432972), (1593, 400900), (1710, 373470), (1770, 360810), (1899, 336300), (1900, 336123), (2052, 311225), (2110, 302670), (2124, 300675), (2242, 284850), (2532, 252225), (2565, 248980), (2655, 240540), (2700, 236531), (2850, 224082), (2950, 216486), (3165, 201780), (3186, 200450), (3363, 189900), (3420, 186735), (3540, 180405), (3798, 168150), (4009, 159300), (4220, 151335), (4275, 149388), (4425, 144324), (4484, 142425), (5130, 124490), (5275, 121068), (5310, 120270), (5605, 113940), (5697, 112100), (5700, 112041), (5900, 108243), (6330, 100890), (6372, 100225), (6726, 94950), (7596, 84075), (7965, 80180), (8018, 79650), (8550, 74694), (8850, 72162), (9495, 67260), (10089, 63300), (10260, 62245), (10550, 60534), (10620, 60135), (11210, 56970), (11394, 56050), (12027, 53100), (12449, 51300), (12660, 50445), (12825, 49796), (13275, 48108), (13452, 47475), (15825, 40356), (15930, 40090), (16036, 39825), (16815, 37980), (17100, 37347), (17700, 36081), (18990, 33630), (20045, 31860), (20178, 31650), (21100, 30267), (22420, 28485), (22788, 28025), (24054, 26550), (24898, 25650)]