643651920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1495

約数の個数: 200

約数和(自身を含む): 2268604800

約数和(自身を除く): 1624952880

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, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 162, 180, 213, 216, 240, 270, 284, 324, 355, 360, 405, 426, 432, 540, 568, 639, 648, 710, 720, 810, 852, 1065, 1080, 1136, 1278, 1296, 1399, 1420, 1620, 1704, 1917, 2130, 2160, 2556, 2798, 2840, 3195, 3240, 3408, 3834, 4197, 4260, 5112, 5596, 5680, 5751, 6390, 6480, 6995, 7668, 8394, 8520, 9585, 10224, 11192, 11502, 12591, 12780, 13990, 15336, 16788, 17040, 19170, 20985, 22384, 23004, 25182, 25560, 27980, 28755, 30672, 33576, 37773, 38340, 41970, 46008, 50364, 51120, 55960, 57510, 62955, 67152, 75546, 76680, 83940, 92016, 99329, 100728, 111920, 113319, 115020, 125910, 151092, 153360, 167880, 188865, 198658, 201456, 226638, 230040, 251820, 297987, 302184, 335760, 377730, 397316, 453276, 460080, 496645, 503640, 566595, 595974, 604368, 755460, 794632, 893961, 906552, 993290, 1007280, 1133190, 1191948, 1489935, 1510920, 1589264, 1787922, 1813104, 1986580, 2266380, 2383896, 2681883, 2979870, 3021840, 3575844, 3973160, 4469805, 4532760, 4767792, 5363766, 5959740, 7151688, 7946320, 8045649, 8939610, 9065520, 10727532, 11919480, 13409415, 14303376, 16091298, 17879220, 21455064, 23838960, 26818830, 32182596, 35758440, 40228245, 42910128, 53637660, 64365192, 71516880, 80456490, 107275320, 128730384, 160912980, 214550640, 321825960, 643651920]

約数ペア:

[(1, 643651920), (2, 321825960), (3, 214550640), (4, 160912980), (5, 128730384), (6, 107275320), (8, 80456490), (9, 71516880), (10, 64365192), (12, 53637660), (15, 42910128), (16, 40228245), (18, 35758440), (20, 32182596), (24, 26818830), (27, 23838960), (30, 21455064), (36, 17879220), (40, 16091298), (45, 14303376), (48, 13409415), (54, 11919480), (60, 10727532), (71, 9065520), (72, 8939610), (80, 8045649), (81, 7946320), (90, 7151688), (108, 5959740), (120, 5363766), (135, 4767792), (142, 4532760), (144, 4469805), (162, 3973160), (180, 3575844), (213, 3021840), (216, 2979870), (240, 2681883), (270, 2383896), (284, 2266380), (324, 1986580), (355, 1813104), (360, 1787922), (405, 1589264), (426, 1510920), (432, 1489935), (540, 1191948), (568, 1133190), (639, 1007280), (648, 993290), (710, 906552), (720, 893961), (810, 794632), (852, 755460), (1065, 604368), (1080, 595974), (1136, 566595), (1278, 503640), (1296, 496645), (1399, 460080), (1420, 453276), (1620, 397316), (1704, 377730), (1917, 335760), (2130, 302184), (2160, 297987), (2556, 251820), (2798, 230040), (2840, 226638), (3195, 201456), (3240, 198658), (3408, 188865), (3834, 167880), (4197, 153360), (4260, 151092), (5112, 125910), (5596, 115020), (5680, 113319), (5751, 111920), (6390, 100728), (6480, 99329), (6995, 92016), (7668, 83940), (8394, 76680), (8520, 75546), (9585, 67152), (10224, 62955), (11192, 57510), (11502, 55960), (12591, 51120), (12780, 50364), (13990, 46008), (15336, 41970), (16788, 38340), (17040, 37773), (19170, 33576), (20985, 30672), (22384, 28755), (23004, 27980), (25182, 25560)]