287197920

素因数分解:

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

素因数の和:3542

約数の個数: 192

約数和(自身を含む): 1058400000

約数和(自身を除く): 771202080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 3499, 4104, 4320, 4560, 5130, 5472, 6840, 6998, 8208, 9120, 10260, 10497, 13680, 13996, 16416, 17495, 20520, 20994, 27360, 27992, 31491, 34990, 41040, 41988, 52485, 55984, 62982, 66481, 69980, 82080, 83976, 94473, 104970, 111968, 125964, 132962, 139960, 157455, 167952, 188946, 199443, 209940, 251928, 265924, 279920, 314910, 332405, 335904, 377892, 398886, 419880, 472365, 503856, 531848, 559840, 598329, 629820, 664810, 755784, 797772, 839760, 944730, 997215, 1007712, 1063696, 1196658, 1259640, 1329620, 1511568, 1595544, 1679520, 1794987, 1889460, 1994430, 2127392, 2393316, 2519280, 2659240, 2991645, 3023136, 3191088, 3589974, 3778920, 3988860, 4786632, 5038560, 5318480, 5983290, 6382176, 7179948, 7557840, 7977720, 8974935, 9573264, 10636960, 11966580, 14359896, 15115680, 15955440, 17949870, 19146528, 23933160, 28719792, 31910880, 35899740, 47866320, 57439584, 71799480, 95732640, 143598960, 287197920]

約数ペア:

[(1, 287197920), (2, 143598960), (3, 95732640), (4, 71799480), (5, 57439584), (6, 47866320), (8, 35899740), (9, 31910880), (10, 28719792), (12, 23933160), (15, 19146528), (16, 17949870), (18, 15955440), (19, 15115680), (20, 14359896), (24, 11966580), (27, 10636960), (30, 9573264), (32, 8974935), (36, 7977720), (38, 7557840), (40, 7179948), (45, 6382176), (48, 5983290), (54, 5318480), (57, 5038560), (60, 4786632), (72, 3988860), (76, 3778920), (80, 3589974), (90, 3191088), (95, 3023136), (96, 2991645), (108, 2659240), (114, 2519280), (120, 2393316), (135, 2127392), (144, 1994430), (152, 1889460), (160, 1794987), (171, 1679520), (180, 1595544), (190, 1511568), (216, 1329620), (228, 1259640), (240, 1196658), (270, 1063696), (285, 1007712), (288, 997215), (304, 944730), (342, 839760), (360, 797772), (380, 755784), (432, 664810), (456, 629820), (480, 598329), (513, 559840), (540, 531848), (570, 503856), (608, 472365), (684, 419880), (720, 398886), (760, 377892), (855, 335904), (864, 332405), (912, 314910), (1026, 279920), (1080, 265924), (1140, 251928), (1368, 209940), (1440, 199443), (1520, 188946), (1710, 167952), (1824, 157455), (2052, 139960), (2160, 132962), (2280, 125964), (2565, 111968), (2736, 104970), (3040, 94473), (3420, 83976), (3499, 82080), (4104, 69980), (4320, 66481), (4560, 62982), (5130, 55984), (5472, 52485), (6840, 41988), (6998, 41040), (8208, 34990), (9120, 31491), (10260, 27992), (10497, 27360), (13680, 20994), (13996, 20520), (16416, 17495)]