198775720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 580608000

約数和(自身を除く): 381832280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 31, 38, 40, 44, 52, 55, 59, 62, 65, 76, 88, 95, 104, 110, 118, 124, 130, 143, 152, 155, 190, 209, 220, 236, 247, 248, 260, 286, 295, 310, 341, 380, 403, 418, 440, 472, 494, 520, 572, 589, 590, 620, 649, 682, 715, 760, 767, 806, 836, 988, 1045, 1121, 1144, 1178, 1180, 1235, 1240, 1298, 1364, 1430, 1534, 1612, 1672, 1705, 1829, 1976, 2015, 2090, 2242, 2356, 2360, 2470, 2596, 2717, 2728, 2860, 2945, 3068, 3224, 3245, 3410, 3658, 3835, 4030, 4180, 4433, 4484, 4712, 4940, 5192, 5434, 5605, 5720, 5890, 6136, 6479, 6490, 6820, 7316, 7657, 7670, 8060, 8360, 8437, 8866, 8968, 9145, 9880, 10868, 11210, 11780, 12331, 12958, 12980, 13585, 13640, 14573, 14632, 15314, 15340, 16120, 16874, 17732, 18290, 20119, 21736, 22165, 22420, 23560, 23777, 24662, 25916, 25960, 27170, 29146, 30628, 30680, 32395, 33748, 34751, 35464, 36580, 38285, 40238, 42185, 44330, 44840, 47554, 49324, 51832, 54340, 58292, 61256, 61655, 64790, 67496, 69502, 72865, 73160, 76570, 80476, 84227, 84370, 88660, 95108, 98648, 100595, 108680, 116584, 118885, 123310, 129580, 139004, 145730, 153140, 160303, 160952, 168454, 168740, 173755, 177320, 190216, 201190, 237770, 246620, 259160, 261547, 278008, 291460, 306280, 320606, 336908, 337480, 347510, 382261, 402380, 421135, 451763, 475540, 493240, 523094, 582920, 641212, 673816, 695020, 764522, 801515, 804760, 842270, 903526, 951080, 1046188, 1282424, 1307735, 1390040, 1529044, 1603030, 1684540, 1807052, 1911305, 2092376, 2258815, 2615470, 3058088, 3206060, 3369080, 3614104, 3822610, 4517630, 4969393, 5230940, 6412120, 7645220, 9035260, 9938786, 10461880, 15290440, 18070520, 19877572, 24846965, 39755144, 49693930, 99387860, 198775720]

約数ペア:

[(1, 198775720), (2, 99387860), (4, 49693930), (5, 39755144), (8, 24846965), (10, 19877572), (11, 18070520), (13, 15290440), (19, 10461880), (20, 9938786), (22, 9035260), (26, 7645220), (31, 6412120), (38, 5230940), (40, 4969393), (44, 4517630), (52, 3822610), (55, 3614104), (59, 3369080), (62, 3206060), (65, 3058088), (76, 2615470), (88, 2258815), (95, 2092376), (104, 1911305), (110, 1807052), (118, 1684540), (124, 1603030), (130, 1529044), (143, 1390040), (152, 1307735), (155, 1282424), (190, 1046188), (209, 951080), (220, 903526), (236, 842270), (247, 804760), (248, 801515), (260, 764522), (286, 695020), (295, 673816), (310, 641212), (341, 582920), (380, 523094), (403, 493240), (418, 475540), (440, 451763), (472, 421135), (494, 402380), (520, 382261), (572, 347510), (589, 337480), (590, 336908), (620, 320606), (649, 306280), (682, 291460), (715, 278008), (760, 261547), (767, 259160), (806, 246620), (836, 237770), (988, 201190), (1045, 190216), (1121, 177320), (1144, 173755), (1178, 168740), (1180, 168454), (1235, 160952), (1240, 160303), (1298, 153140), (1364, 145730), (1430, 139004), (1534, 129580), (1612, 123310), (1672, 118885), (1705, 116584), (1829, 108680), (1976, 100595), (2015, 98648), (2090, 95108), (2242, 88660), (2356, 84370), (2360, 84227), (2470, 80476), (2596, 76570), (2717, 73160), (2728, 72865), (2860, 69502), (2945, 67496), (3068, 64790), (3224, 61655), (3245, 61256), (3410, 58292), (3658, 54340), (3835, 51832), (4030, 49324), (4180, 47554), (4433, 44840), (4484, 44330), (4712, 42185), (4940, 40238), (5192, 38285), (5434, 36580), (5605, 35464), (5720, 34751), (5890, 33748), (6136, 32395), (6479, 30680), (6490, 30628), (6820, 29146), (7316, 27170), (7657, 25960), (7670, 25916), (8060, 24662), (8360, 23777), (8437, 23560), (8866, 22420), (8968, 22165), (9145, 21736), (9880, 20119), (10868, 18290), (11210, 17732), (11780, 16874), (12331, 16120), (12958, 15340), (12980, 15314), (13585, 14632), (13640, 14573)]