1318913917440

素因数分解:

$2^9\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 960

約数和(自身を含む): 5090572396800

約数和(自身を除く): 3771658479360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 64, 70, 80, 84, 93, 96, 98, 105, 112, 120, 124, 128, 140, 147, 155, 160, 168, 186, 192, 196, 210, 217, 224, 240, 245, 248, 256, 280, 294, 310, 320, 336, 343, 372, 384, 392, 420, 434, 448, 465, 480, 490, 496, 512, 521, 560, 588, 620, 640, 651, 672, 686, 735, 744, 768, 784, 840, 868, 896, 930, 960, 961, 980, 992, 1029, 1042, 1085, 1120, 1176, 1240, 1280, 1302, 1344, 1372, 1470, 1488, 1519, 1536, 1563, 1568, 1680, 1715, 1736, 1792, 1860, 1920, 1922, 1960, 1984, 2058, 2084, 2170, 2240, 2352, 2480, 2560, 2604, 2605, 2688, 2744, 2883, 2940, 2976, 3038, 3126, 3136, 3255, 3360, 3430, 3472, 3584, 3647, 3720, 3840, 3844, 3920, 3968, 4116, 4168, 4340, 4480, 4557, 4704, 4805, 4960, 5145, 5208, 5210, 5376, 5488, 5766, 5880, 5952, 6076, 6252, 6272, 6510, 6720, 6727, 6860, 6944, 7294, 7440, 7595, 7680, 7688, 7815, 7840, 7936, 8232, 8336, 8680, 8960, 9114, 9408, 9610, 9920, 10290, 10416, 10420, 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約数ペア:

[(1, 1318913917440), (2, 659456958720), (3, 439637972480), (4, 329728479360), (5, 263782783488), (6, 219818986240), (7, 188416273920), (8, 164864239680), (10, 131891391744), (12, 109909493120), (14, 94208136960), (15, 87927594496), (16, 82432119840), (20, 65945695872), (21, 62805424640), (24, 54954746560), (28, 47104068480), (30, 43963797248), (31, 42545610240), (32, 41216059920), (35, 37683254784), (40, 32972847936), (42, 31402712320), (48, 27477373280), (49, 26916610560), (56, 23552034240), (60, 21981898624), (62, 21272805120), (64, 20608029960), (70, 18841627392), (80, 16486423968), (84, 15701356160), (93, 14181870080), (96, 13738686640), (98, 13458305280), (105, 12561084928), (112, 11776017120), (120, 10990949312), (124, 10636402560), (128, 10304014980), (140, 9420813696), (147, 8972203520), (155, 8509122048), (160, 8243211984), (168, 7850678080), (186, 7090935040), (192, 6869343320), (196, 6729152640), (210, 6280542464), (217, 6077944320), (224, 5888008560), (240, 5495474656), 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