399187920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:929

約数の個数: 160

約数和(自身を含む): 1294774272

約数和(自身を除く): 895586352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 47, 48, 60, 80, 86, 94, 120, 129, 141, 172, 188, 215, 235, 240, 258, 282, 344, 376, 430, 470, 516, 564, 645, 688, 705, 752, 823, 860, 940, 1032, 1128, 1290, 1410, 1646, 1720, 1880, 2021, 2064, 2256, 2469, 2580, 2820, 3292, 3440, 3760, 4042, 4115, 4938, 5160, 5640, 6063, 6584, 8084, 8230, 9876, 10105, 10320, 11280, 12126, 12345, 13168, 16168, 16460, 19752, 20210, 24252, 24690, 30315, 32336, 32920, 35389, 38681, 39504, 40420, 48504, 49380, 60630, 65840, 70778, 77362, 80840, 97008, 98760, 106167, 116043, 121260, 141556, 154724, 161680, 176945, 193405, 197520, 212334, 232086, 242520, 283112, 309448, 353890, 386810, 424668, 464172, 485040, 530835, 566224, 580215, 618896, 707780, 773620, 849336, 928344, 1061670, 1160430, 1415560, 1547240, 1663283, 1698672, 1856688, 2123340, 2320860, 2831120, 3094480, 3326566, 4246680, 4641720, 4989849, 6653132, 8316415, 8493360, 9283440, 9979698, 13306264, 16632830, 19959396, 24949245, 26612528, 33265660, 39918792, 49898490, 66531320, 79837584, 99796980, 133062640, 199593960, 399187920]

約数ペア:

[(1, 399187920), (2, 199593960), (3, 133062640), (4, 99796980), (5, 79837584), (6, 66531320), (8, 49898490), (10, 39918792), (12, 33265660), (15, 26612528), (16, 24949245), (20, 19959396), (24, 16632830), (30, 13306264), (40, 9979698), (43, 9283440), (47, 8493360), (48, 8316415), (60, 6653132), (80, 4989849), (86, 4641720), (94, 4246680), (120, 3326566), (129, 3094480), (141, 2831120), (172, 2320860), (188, 2123340), (215, 1856688), (235, 1698672), (240, 1663283), (258, 1547240), (282, 1415560), (344, 1160430), (376, 1061670), (430, 928344), (470, 849336), (516, 773620), (564, 707780), (645, 618896), (688, 580215), (705, 566224), (752, 530835), (823, 485040), (860, 464172), (940, 424668), (1032, 386810), (1128, 353890), (1290, 309448), (1410, 283112), (1646, 242520), (1720, 232086), (1880, 212334), (2021, 197520), (2064, 193405), (2256, 176945), (2469, 161680), (2580, 154724), (2820, 141556), (3292, 121260), (3440, 116043), (3760, 106167), (4042, 98760), (4115, 97008), (4938, 80840), (5160, 77362), (5640, 70778), (6063, 65840), (6584, 60630), (8084, 49380), (8230, 48504), (9876, 40420), (10105, 39504), (10320, 38681), (11280, 35389), (12126, 32920), (12345, 32336), (13168, 30315), (16168, 24690), (16460, 24252), (19752, 20210)]