390485760

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 288

約数和(自身を含む): 1452057600

約数和(自身を除く): 1061571840

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, 199, 210, 219, 224, 240, 256, 280, 292, 320, 336, 365, 384, 398, 420, 438, 448, 480, 511, 560, 584, 597, 640, 672, 730, 768, 796, 840, 876, 896, 960, 995, 1022, 1095, 1120, 1168, 1194, 1280, 1344, 1393, 1460, 1533, 1592, 1680, 1752, 1792, 1920, 1990, 2044, 2190, 2240, 2336, 2388, 2555, 2688, 2786, 2920, 2985, 3066, 3184, 3360, 3504, 3840, 3980, 4088, 4179, 4380, 4480, 4672, 4776, 5110, 5376, 5572, 5840, 5970, 6132, 6368, 6720, 6965, 7008, 7665, 7960, 8176, 8358, 8760, 8960, 9344, 9552, 10220, 11144, 11680, 11940, 12264, 12736, 13440, 13930, 14016, 14527, 15330, 15920, 16352, 16716, 17520, 18688, 19104, 20440, 20895, 22288, 23360, 23880, 24528, 25472, 26880, 27860, 28032, 29054, 30660, 31840, 32704, 33432, 35040, 38208, 40880, 41790, 43581, 44576, 46720, 47760, 49056, 50944, 55720, 56064, 58108, 61320, 63680, 65408, 66864, 70080, 72635, 76416, 81760, 83580, 87162, 89152, 93440, 95520, 98112, 101689, 111440, 116216, 122640, 127360, 130816, 133728, 140160, 145270, 152832, 163520, 167160, 174324, 178304, 191040, 196224, 203378, 217905, 222880, 232432, 245280, 254720, 267456, 280320, 290540, 305067, 327040, 334320, 348648, 356608, 382080, 392448, 406756, 435810, 445760, 464864, 490560, 508445, 534912, 581080, 610134, 654080, 668640, 697296, 764160, 813512, 871620, 891520, 929728, 981120, 1016890, 1069824, 1162160, 1220268, 1337280, 1394592, 1525335, 1627024, 1743240, 1783040, 1859456, 1962240, 2033780, 2324320, 2440536, 2674560, 2789184, 3050670, 3254048, 3486480, 3718912, 4067560, 4648640, 4881072, 5349120, 5578368, 6101340, 6508096, 6972960, 8135120, 9297280, 9762144, 11156736, 12202680, 13016192, 13945920, 16270240, 18594560, 19524288, 24405360, 26032384, 27891840, 32540480, 39048576, 48810720, 55783680, 65080960, 78097152, 97621440, 130161920, 195242880, 390485760]

約数ペア:

[(1, 390485760), (2, 195242880), (3, 130161920), (4, 97621440), (5, 78097152), (6, 65080960), (7, 55783680), (8, 48810720), (10, 39048576), (12, 32540480), (14, 27891840), (15, 26032384), (16, 24405360), (20, 19524288), (21, 18594560), (24, 16270240), (28, 13945920), (30, 13016192), (32, 12202680), (35, 11156736), (40, 9762144), (42, 9297280), (48, 8135120), (56, 6972960), (60, 6508096), (64, 6101340), (70, 5578368), (73, 5349120), (80, 4881072), (84, 4648640), (96, 4067560), (105, 3718912), (112, 3486480), (120, 3254048), (128, 3050670), (140, 2789184), (146, 2674560), (160, 2440536), (168, 2324320), (192, 2033780), (199, 1962240), (210, 1859456), (219, 1783040), (224, 1743240), (240, 1627024), (256, 1525335), (280, 1394592), (292, 1337280), (320, 1220268), (336, 1162160), (365, 1069824), (384, 1016890), (398, 981120), (420, 929728), (438, 891520), (448, 871620), (480, 813512), (511, 764160), (560, 697296), (584, 668640), (597, 654080), (640, 610134), (672, 581080), (730, 534912), (768, 508445), (796, 490560), (840, 464864), (876, 445760), (896, 435810), (960, 406756), (995, 392448), (1022, 382080), (1095, 356608), (1120, 348648), (1168, 334320), (1194, 327040), (1280, 305067), (1344, 290540), (1393, 280320), (1460, 267456), (1533, 254720), (1592, 245280), (1680, 232432), (1752, 222880), (1792, 217905), (1920, 203378), (1990, 196224), (2044, 191040), (2190, 178304), (2240, 174324), (2336, 167160), (2388, 163520), (2555, 152832), (2688, 145270), (2786, 140160), (2920, 133728), (2985, 130816), (3066, 127360), (3184, 122640), (3360, 116216), (3504, 111440), (3840, 101689), (3980, 98112), (4088, 95520), (4179, 93440), (4380, 89152), (4480, 87162), (4672, 83580), (4776, 81760), (5110, 76416), (5376, 72635), (5572, 70080), (5840, 66864), (5970, 65408), (6132, 63680), (6368, 61320), (6720, 58108), (6965, 56064), (7008, 55720), (7665, 50944), (7960, 49056), (8176, 47760), (8358, 46720), (8760, 44576), (8960, 43581), (9344, 41790), (9552, 40880), (10220, 38208), (11144, 35040), (11680, 33432), (11940, 32704), (12264, 31840), (12736, 30660), (13440, 29054), (13930, 28032), (14016, 27860), (14527, 26880), (15330, 25472), (15920, 24528), (16352, 23880), (16716, 23360), (17520, 22288), (18688, 20895), (19104, 20440)]