1284451520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 224

約数和(自身を含む): 3511296000

約数和(自身を除く): 2226844480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 79, 80, 88, 110, 124, 149, 155, 158, 160, 176, 220, 248, 298, 310, 316, 320, 341, 352, 395, 440, 496, 596, 620, 632, 682, 704, 745, 790, 869, 880, 992, 1192, 1240, 1264, 1364, 1490, 1580, 1639, 1705, 1738, 1760, 1984, 2384, 2449, 2480, 2528, 2728, 2980, 3160, 3278, 3410, 3476, 3520, 4345, 4619, 4768, 4898, 4960, 5056, 5456, 5960, 6320, 6556, 6820, 6952, 8195, 8690, 9238, 9536, 9796, 9920, 10912, 11771, 11920, 12245, 12640, 13112, 13640, 13904, 16390, 17380, 18476, 19592, 21824, 23095, 23542, 23840, 24490, 25280, 26224, 26939, 27280, 27808, 32780, 34760, 36952, 39184, 46190, 47084, 47680, 48980, 50809, 52448, 53878, 54560, 55616, 58855, 65560, 69520, 73904, 78368, 92380, 94168, 97960, 101618, 104896, 107756, 109120, 117710, 129481, 131120, 134695, 139040, 147808, 156736, 184760, 188336, 195920, 203236, 215512, 235420, 254045, 258962, 262240, 269390, 278080, 295616, 364901, 369520, 376672, 391840, 406472, 431024, 470840, 508090, 517924, 524480, 538780, 647405, 729802, 739040, 753344, 783680, 812944, 862048, 941680, 1016180, 1035848, 1077560, 1294810, 1459604, 1478080, 1625888, 1724096, 1824505, 1883360, 2032360, 2071696, 2155120, 2589620, 2919208, 3251776, 3649010, 3766720, 4013911, 4064720, 4143392, 4310240, 5179240, 5838416, 7298020, 8027822, 8129440, 8286784, 8620480, 10358480, 11676832, 14596040, 16055644, 16258880, 20069555, 20716960, 23353664, 29192080, 32111288, 40139110, 41433920, 58384160, 64222576, 80278220, 116768320, 128445152, 160556440, 256890304, 321112880, 642225760, 1284451520]

約数ペア:

[(1, 1284451520), (2, 642225760), (4, 321112880), (5, 256890304), (8, 160556440), (10, 128445152), (11, 116768320), (16, 80278220), (20, 64222576), (22, 58384160), (31, 41433920), (32, 40139110), (40, 32111288), (44, 29192080), (55, 23353664), (62, 20716960), (64, 20069555), (79, 16258880), (80, 16055644), (88, 14596040), (110, 11676832), (124, 10358480), (149, 8620480), (155, 8286784), (158, 8129440), (160, 8027822), (176, 7298020), (220, 5838416), (248, 5179240), (298, 4310240), (310, 4143392), (316, 4064720), (320, 4013911), (341, 3766720), (352, 3649010), (395, 3251776), (440, 2919208), (496, 2589620), (596, 2155120), (620, 2071696), (632, 2032360), (682, 1883360), (704, 1824505), (745, 1724096), (790, 1625888), (869, 1478080), (880, 1459604), (992, 1294810), (1192, 1077560), (1240, 1035848), (1264, 1016180), (1364, 941680), (1490, 862048), (1580, 812944), (1639, 783680), (1705, 753344), (1738, 739040), (1760, 729802), (1984, 647405), (2384, 538780), (2449, 524480), (2480, 517924), (2528, 508090), (2728, 470840), (2980, 431024), (3160, 406472), (3278, 391840), (3410, 376672), (3476, 369520), (3520, 364901), (4345, 295616), (4619, 278080), (4768, 269390), (4898, 262240), (4960, 258962), (5056, 254045), (5456, 235420), (5960, 215512), (6320, 203236), (6556, 195920), (6820, 188336), (6952, 184760), (8195, 156736), (8690, 147808), (9238, 139040), (9536, 134695), (9796, 131120), (9920, 129481), (10912, 117710), (11771, 109120), (11920, 107756), (12245, 104896), (12640, 101618), (13112, 97960), (13640, 94168), (13904, 92380), (16390, 78368), (17380, 73904), (18476, 69520), (19592, 65560), (21824, 58855), (23095, 55616), (23542, 54560), (23840, 53878), (24490, 52448), (25280, 50809), (26224, 48980), (26939, 47680), (27280, 47084), (27808, 46190), (32780, 39184), (34760, 36952)]