664861120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 224

約数和(自身を含む): 1999097856

約数和(自身を除く): 1334236736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 223, 224, 242, 280, 308, 320, 352, 385, 440, 446, 448, 484, 560, 605, 616, 704, 770, 847, 880, 892, 968, 1115, 1120, 1210, 1232, 1331, 1540, 1561, 1694, 1760, 1784, 1936, 2230, 2240, 2420, 2453, 2464, 2662, 3080, 3122, 3388, 3520, 3568, 3872, 4235, 4460, 4840, 4906, 4928, 5324, 6160, 6244, 6655, 6776, 7136, 7744, 7805, 8470, 8920, 9317, 9680, 9812, 10648, 12265, 12320, 12488, 13310, 13552, 14272, 15610, 16940, 17171, 17840, 18634, 19360, 19624, 21296, 24530, 24640, 24976, 26620, 26983, 27104, 31220, 33880, 34342, 35680, 37268, 38720, 39248, 42592, 46585, 49060, 49952, 53240, 53966, 54208, 62440, 67760, 68684, 71360, 74536, 78496, 85184, 85855, 93170, 98120, 99904, 106480, 107932, 124880, 134915, 135520, 137368, 149072, 156992, 171710, 186340, 188881, 196240, 212960, 215864, 249760, 269830, 271040, 274736, 296813, 298144, 343420, 372680, 377762, 392480, 425920, 431728, 499520, 539660, 549472, 593626, 596288, 686840, 745360, 755524, 784960, 863456, 944405, 1079320, 1098944, 1187252, 1373680, 1484065, 1490720, 1511048, 1726912, 1888810, 2077691, 2158640, 2374504, 2747360, 2968130, 2981440, 3022096, 3777620, 4155382, 4317280, 4749008, 5494720, 5936260, 6044192, 7555240, 8310764, 8634560, 9498016, 10388455, 11872520, 12088384, 15110480, 16621528, 18996032, 20776910, 23745040, 30220960, 33243056, 41553820, 47490080, 60441920, 66486112, 83107640, 94980160, 132972224, 166215280, 332430560, 664861120]

約数ペア:

[(1, 664861120), (2, 332430560), (4, 166215280), (5, 132972224), (7, 94980160), (8, 83107640), (10, 66486112), (11, 60441920), (14, 47490080), (16, 41553820), (20, 33243056), (22, 30220960), (28, 23745040), (32, 20776910), (35, 18996032), (40, 16621528), (44, 15110480), (55, 12088384), (56, 11872520), (64, 10388455), (70, 9498016), (77, 8634560), (80, 8310764), (88, 7555240), (110, 6044192), (112, 5936260), (121, 5494720), (140, 4749008), (154, 4317280), (160, 4155382), (176, 3777620), (220, 3022096), (223, 2981440), (224, 2968130), (242, 2747360), (280, 2374504), (308, 2158640), (320, 2077691), (352, 1888810), (385, 1726912), (440, 1511048), (446, 1490720), (448, 1484065), (484, 1373680), (560, 1187252), (605, 1098944), (616, 1079320), (704, 944405), (770, 863456), (847, 784960), (880, 755524), (892, 745360), (968, 686840), (1115, 596288), (1120, 593626), (1210, 549472), (1232, 539660), (1331, 499520), (1540, 431728), (1561, 425920), (1694, 392480), (1760, 377762), (1784, 372680), (1936, 343420), (2230, 298144), (2240, 296813), (2420, 274736), (2453, 271040), (2464, 269830), (2662, 249760), (3080, 215864), (3122, 212960), (3388, 196240), (3520, 188881), (3568, 186340), (3872, 171710), (4235, 156992), (4460, 149072), (4840, 137368), (4906, 135520), (4928, 134915), (5324, 124880), (6160, 107932), (6244, 106480), (6655, 99904), (6776, 98120), (7136, 93170), (7744, 85855), (7805, 85184), (8470, 78496), (8920, 74536), (9317, 71360), (9680, 68684), (9812, 67760), (10648, 62440), (12265, 54208), (12320, 53966), (12488, 53240), (13310, 49952), (13552, 49060), (14272, 46585), (15610, 42592), (16940, 39248), (17171, 38720), (17840, 37268), (18634, 35680), (19360, 34342), (19624, 33880), (21296, 31220), (24530, 27104), (24640, 26983), (24976, 26620)]