79720960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 160

約数和(自身を含む): 220968000

約数和(自身を除く): 141247040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 149, 152, 160, 176, 190, 209, 220, 256, 298, 304, 320, 352, 380, 418, 440, 512, 596, 608, 640, 704, 745, 760, 836, 880, 1045, 1192, 1216, 1280, 1408, 1490, 1520, 1639, 1672, 1760, 2090, 2384, 2432, 2560, 2816, 2831, 2980, 3040, 3278, 3344, 3520, 4180, 4768, 4864, 5632, 5662, 5960, 6080, 6556, 6688, 7040, 8195, 8360, 9536, 9728, 11324, 11920, 12160, 13112, 13376, 14080, 14155, 16390, 16720, 19072, 22648, 23840, 24320, 26224, 26752, 28160, 28310, 31141, 32780, 33440, 38144, 45296, 47680, 48640, 52448, 53504, 56620, 62282, 65560, 66880, 76288, 90592, 95360, 104896, 107008, 113240, 124564, 131120, 133760, 155705, 181184, 190720, 209792, 226480, 249128, 262240, 267520, 311410, 362368, 381440, 419584, 452960, 498256, 524480, 535040, 622820, 724736, 839168, 905920, 996512, 1048960, 1245640, 1449472, 1811840, 1993024, 2097920, 2491280, 3623680, 3986048, 4195840, 4982560, 7247360, 7972096, 9965120, 15944192, 19930240, 39860480, 79720960]

約数ペア:

[(1, 79720960), (2, 39860480), (4, 19930240), (5, 15944192), (8, 9965120), (10, 7972096), (11, 7247360), (16, 4982560), (19, 4195840), (20, 3986048), (22, 3623680), (32, 2491280), (38, 2097920), (40, 1993024), (44, 1811840), (55, 1449472), (64, 1245640), (76, 1048960), (80, 996512), (88, 905920), (95, 839168), (110, 724736), (128, 622820), (149, 535040), (152, 524480), (160, 498256), (176, 452960), (190, 419584), (209, 381440), (220, 362368), (256, 311410), (298, 267520), (304, 262240), (320, 249128), (352, 226480), (380, 209792), (418, 190720), (440, 181184), (512, 155705), (596, 133760), (608, 131120), (640, 124564), (704, 113240), (745, 107008), (760, 104896), (836, 95360), (880, 90592), (1045, 76288), (1192, 66880), (1216, 65560), (1280, 62282), (1408, 56620), (1490, 53504), (1520, 52448), (1639, 48640), (1672, 47680), (1760, 45296), (2090, 38144), (2384, 33440), (2432, 32780), (2560, 31141), (2816, 28310), (2831, 28160), (2980, 26752), (3040, 26224), (3278, 24320), (3344, 23840), (3520, 22648), (4180, 19072), (4768, 16720), (4864, 16390), (5632, 14155), (5662, 14080), (5960, 13376), (6080, 13112), (6556, 12160), (6688, 11920), (7040, 11324), (8195, 9728), (8360, 9536)]