215398440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3541

約数の個数: 160

約数和(自身を含む): 762300000

約数和(自身を除く): 546901560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 3499, 4104, 5130, 6156, 6840, 6998, 7695, 10260, 10497, 12312, 13996, 15390, 17495, 20520, 20994, 27992, 30780, 31491, 34990, 41988, 52485, 61560, 62982, 66481, 69980, 83976, 94473, 104970, 125964, 132962, 139960, 157455, 188946, 199443, 209940, 251928, 265924, 283419, 314910, 332405, 377892, 398886, 419880, 472365, 531848, 566838, 598329, 629820, 664810, 755784, 797772, 944730, 997215, 1133676, 1196658, 1259640, 1329620, 1417095, 1595544, 1794987, 1889460, 1994430, 2267352, 2393316, 2659240, 2834190, 2991645, 3589974, 3778920, 3988860, 4786632, 5384961, 5668380, 5983290, 7179948, 7977720, 8974935, 10769922, 11336760, 11966580, 14359896, 17949870, 21539844, 23933160, 26924805, 35899740, 43079688, 53849610, 71799480, 107699220, 215398440]

約数ペア:

[(1, 215398440), (2, 107699220), (3, 71799480), (4, 53849610), (5, 43079688), (6, 35899740), (8, 26924805), (9, 23933160), (10, 21539844), (12, 17949870), (15, 14359896), (18, 11966580), (19, 11336760), (20, 10769922), (24, 8974935), (27, 7977720), (30, 7179948), (36, 5983290), (38, 5668380), (40, 5384961), (45, 4786632), (54, 3988860), (57, 3778920), (60, 3589974), (72, 2991645), (76, 2834190), (81, 2659240), (90, 2393316), (95, 2267352), (108, 1994430), (114, 1889460), (120, 1794987), (135, 1595544), (152, 1417095), (162, 1329620), (171, 1259640), (180, 1196658), (190, 1133676), (216, 997215), (228, 944730), (270, 797772), (285, 755784), (324, 664810), (342, 629820), (360, 598329), (380, 566838), (405, 531848), (456, 472365), (513, 419880), (540, 398886), (570, 377892), (648, 332405), (684, 314910), (760, 283419), (810, 265924), (855, 251928), (1026, 209940), (1080, 199443), (1140, 188946), (1368, 157455), (1539, 139960), (1620, 132962), (1710, 125964), (2052, 104970), (2280, 94473), (2565, 83976), (3078, 69980), (3240, 66481), (3420, 62982), (3499, 61560), (4104, 52485), (5130, 41988), (6156, 34990), (6840, 31491), (6998, 30780), (7695, 27992), (10260, 20994), (10497, 20520), (12312, 17495), (13996, 15390)]