381655680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 256

約数和(自身を含む): 1412985600

約数和(自身を除く): 1031329920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 280, 292, 320, 336, 365, 384, 389, 420, 438, 448, 480, 511, 560, 584, 640, 672, 730, 778, 840, 876, 896, 960, 1022, 1095, 1120, 1167, 1168, 1344, 1460, 1533, 1556, 1680, 1752, 1920, 1945, 2044, 2190, 2240, 2334, 2336, 2555, 2688, 2723, 2920, 3066, 3112, 3360, 3504, 3890, 4088, 4380, 4480, 4668, 4672, 5110, 5446, 5835, 5840, 6132, 6224, 6720, 7008, 7665, 7780, 8169, 8176, 8760, 9336, 9344, 10220, 10892, 11670, 11680, 12264, 12448, 13440, 13615, 14016, 15330, 15560, 16338, 16352, 17520, 18672, 20440, 21784, 23340, 23360, 24528, 24896, 27230, 28032, 28397, 30660, 31120, 32676, 32704, 35040, 37344, 40845, 40880, 43568, 46680, 46720, 49056, 49792, 54460, 56794, 61320, 62240, 65352, 65408, 70080, 74688, 81690, 81760, 85191, 87136, 93360, 98112, 108920, 113588, 122640, 124480, 130704, 140160, 141985, 149376, 163380, 163520, 170382, 174272, 186720, 196224, 198779, 217840, 227176, 245280, 248960, 261408, 283970, 326760, 327040, 340764, 348544, 373440, 397558, 425955, 435680, 454352, 490560, 522816, 567940, 596337, 653520, 681528, 746880, 795116, 851910, 871360, 908704, 981120, 993895, 1045632, 1135880, 1192674, 1307040, 1363056, 1590232, 1703820, 1742720, 1817408, 1987790, 2271760, 2385348, 2614080, 2726112, 2981685, 3180464, 3407640, 3634816, 3975580, 4543520, 4770696, 5228160, 5452224, 5963370, 6360928, 6815280, 7951160, 9087040, 9541392, 10904448, 11926740, 12721856, 13630560, 15902320, 18174080, 19082784, 23853480, 25443712, 27261120, 31804640, 38165568, 47706960, 54522240, 63609280, 76331136, 95413920, 127218560, 190827840, 381655680]

約数ペア:

[(1, 381655680), (2, 190827840), (3, 127218560), (4, 95413920), (5, 76331136), (6, 63609280), (7, 54522240), (8, 47706960), (10, 38165568), (12, 31804640), (14, 27261120), (15, 25443712), (16, 23853480), (20, 19082784), (21, 18174080), (24, 15902320), (28, 13630560), (30, 12721856), (32, 11926740), (35, 10904448), (40, 9541392), (42, 9087040), (48, 7951160), (56, 6815280), (60, 6360928), (64, 5963370), (70, 5452224), (73, 5228160), (80, 4770696), (84, 4543520), (96, 3975580), (105, 3634816), (112, 3407640), (120, 3180464), (128, 2981685), (140, 2726112), (146, 2614080), (160, 2385348), (168, 2271760), (192, 1987790), (210, 1817408), (219, 1742720), (224, 1703820), (240, 1590232), (280, 1363056), (292, 1307040), (320, 1192674), (336, 1135880), (365, 1045632), (384, 993895), (389, 981120), (420, 908704), (438, 871360), (448, 851910), (480, 795116), (511, 746880), (560, 681528), (584, 653520), (640, 596337), (672, 567940), (730, 522816), (778, 490560), (840, 454352), (876, 435680), (896, 425955), (960, 397558), (1022, 373440), (1095, 348544), (1120, 340764), (1167, 327040), (1168, 326760), (1344, 283970), (1460, 261408), (1533, 248960), (1556, 245280), (1680, 227176), (1752, 217840), (1920, 198779), (1945, 196224), (2044, 186720), (2190, 174272), (2240, 170382), (2334, 163520), (2336, 163380), (2555, 149376), (2688, 141985), (2723, 140160), (2920, 130704), (3066, 124480), (3112, 122640), (3360, 113588), (3504, 108920), (3890, 98112), (4088, 93360), (4380, 87136), (4480, 85191), (4668, 81760), (4672, 81690), (5110, 74688), (5446, 70080), (5835, 65408), (5840, 65352), (6132, 62240), (6224, 61320), (6720, 56794), (7008, 54460), (7665, 49792), (7780, 49056), (8169, 46720), (8176, 46680), (8760, 43568), (9336, 40880), (9344, 40845), (10220, 37344), (10892, 35040), (11670, 32704), (11680, 32676), (12264, 31120), (12448, 30660), (13440, 28397), (13615, 28032), (14016, 27230), (15330, 24896), (15560, 24528), (16338, 23360), (16352, 23340), (17520, 21784), (18672, 20440)]