221841720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:627

約数の個数: 192

約数和(自身を含む): 781812000

約数和(自身を除く): 559970280

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, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 361, 380, 456, 513, 540, 569, 570, 684, 722, 760, 855, 1026, 1080, 1083, 1138, 1140, 1368, 1444, 1707, 1710, 1805, 2052, 2166, 2276, 2280, 2565, 2845, 2888, 3249, 3414, 3420, 3610, 4104, 4332, 4552, 5121, 5130, 5415, 5690, 6498, 6828, 6840, 7220, 8535, 8664, 9747, 10242, 10260, 10811, 10830, 11380, 12996, 13656, 14440, 15363, 16245, 17070, 19494, 20484, 20520, 21622, 21660, 22760, 25605, 25992, 30726, 32433, 32490, 34140, 38988, 40968, 43244, 43320, 48735, 51210, 54055, 61452, 64866, 64980, 68280, 76815, 77976, 86488, 97299, 97470, 102420, 108110, 122904, 129732, 129960, 153630, 162165, 194598, 194940, 204840, 205409, 216220, 259464, 291897, 307260, 324330, 389196, 389880, 410818, 432440, 486495, 583794, 614520, 616227, 648660, 778392, 821636, 972990, 1027045, 1167588, 1232454, 1297320, 1459485, 1643272, 1848681, 1945980, 2054090, 2335176, 2464908, 2918970, 3081135, 3697362, 3891960, 4108180, 4929816, 5546043, 5837940, 6162270, 7394724, 8216360, 9243405, 11092086, 11675880, 12324540, 14789448, 18486810, 22184172, 24649080, 27730215, 36973620, 44368344, 55460430, 73947240, 110920860, 221841720]

約数ペア:

[(1, 221841720), (2, 110920860), (3, 73947240), (4, 55460430), (5, 44368344), (6, 36973620), (8, 27730215), (9, 24649080), (10, 22184172), (12, 18486810), (15, 14789448), (18, 12324540), (19, 11675880), (20, 11092086), (24, 9243405), (27, 8216360), (30, 7394724), (36, 6162270), (38, 5837940), (40, 5546043), (45, 4929816), (54, 4108180), (57, 3891960), (60, 3697362), (72, 3081135), (76, 2918970), (90, 2464908), (95, 2335176), (108, 2054090), (114, 1945980), (120, 1848681), (135, 1643272), (152, 1459485), (171, 1297320), (180, 1232454), (190, 1167588), (216, 1027045), (228, 972990), (270, 821636), (285, 778392), (342, 648660), (360, 616227), (361, 614520), (380, 583794), (456, 486495), (513, 432440), (540, 410818), (569, 389880), (570, 389196), (684, 324330), (722, 307260), (760, 291897), (855, 259464), (1026, 216220), (1080, 205409), (1083, 204840), (1138, 194940), (1140, 194598), (1368, 162165), (1444, 153630), (1707, 129960), (1710, 129732), (1805, 122904), (2052, 108110), (2166, 102420), (2276, 97470), (2280, 97299), (2565, 86488), (2845, 77976), (2888, 76815), (3249, 68280), (3414, 64980), (3420, 64866), (3610, 61452), (4104, 54055), (4332, 51210), (4552, 48735), (5121, 43320), (5130, 43244), (5415, 40968), (5690, 38988), (6498, 34140), (6828, 32490), (6840, 32433), (7220, 30726), (8535, 25992), (8664, 25605), (9747, 22760), (10242, 21660), (10260, 21622), (10811, 20520), (10830, 20484), (11380, 19494), (12996, 17070), (13656, 16245), (14440, 15363)]