291389280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:998

約数の個数: 288

約数和(自身を含む): 1151073504

約数和(自身を除く): 859684224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 840, 910, 953, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1365, 1456, 1470, 1560, 1568, 1680, 1820, 1906, 1911, 1960, 2080, 2184, 2352, 2548, 2730, 2859, 2912, 2940, 3120, 3185, 3360, 3640, 3812, 3822, 3920, 4368, 4704, 4765, 5096, 5460, 5718, 5880, 6240, 6370, 6671, 7280, 7624, 7644, 7840, 8736, 9530, 9555, 10192, 10920, 11436, 11760, 12389, 12740, 13342, 14295, 14560, 15248, 15288, 19060, 19110, 20013, 20384, 21840, 22872, 23520, 24778, 25480, 26684, 28590, 30496, 30576, 33355, 37167, 38120, 38220, 40026, 43680, 45744, 46697, 49556, 50960, 53368, 57180, 61152, 61945, 66710, 74334, 76240, 76440, 80052, 86723, 91488, 93394, 99112, 100065, 101920, 106736, 114360, 123890, 133420, 140091, 148668, 152480, 152880, 160104, 173446, 185835, 186788, 198224, 200130, 213472, 228720, 233485, 247780, 260169, 266840, 280182, 297336, 305760, 320208, 346892, 371670, 373576, 396448, 400260, 433615, 457440, 466970, 495560, 520338, 533680, 560364, 594672, 607061, 640416, 693784, 700455, 743340, 747152, 800520, 867230, 933940, 991120, 1040676, 1067360, 1120728, 1189344, 1214122, 1300845, 1387568, 1400910, 1486680, 1494304, 1601040, 1734460, 1821183, 1867880, 1982240, 2081352, 2241456, 2428244, 2601690, 2775136, 2801820, 2973360, 3035305, 3202080, 3468920, 3642366, 3735760, 4162704, 4482912, 4856488, 5203380, 5603640, 5946720, 6070610, 6937840, 7284732, 7471520, 8325408, 9105915, 9712976, 10406760, 11207280, 12141220, 13875680, 14569464, 18211830, 19425952, 20813520, 22414560, 24282440, 29138928, 36423660, 41627040, 48564880, 58277856, 72847320, 97129760, 145694640, 291389280]

約数ペア:

[(1, 291389280), (2, 145694640), (3, 97129760), (4, 72847320), (5, 58277856), (6, 48564880), (7, 41627040), (8, 36423660), (10, 29138928), (12, 24282440), (13, 22414560), (14, 20813520), (15, 19425952), (16, 18211830), (20, 14569464), (21, 13875680), (24, 12141220), (26, 11207280), (28, 10406760), (30, 9712976), (32, 9105915), (35, 8325408), (39, 7471520), (40, 7284732), (42, 6937840), (48, 6070610), (49, 5946720), (52, 5603640), (56, 5203380), (60, 4856488), (65, 4482912), (70, 4162704), (78, 3735760), (80, 3642366), (84, 3468920), (91, 3202080), (96, 3035305), (98, 2973360), (104, 2801820), (105, 2775136), (112, 2601690), (120, 2428244), (130, 2241456), (140, 2081352), (147, 1982240), (156, 1867880), (160, 1821183), (168, 1734460), (182, 1601040), (195, 1494304), (196, 1486680), (208, 1400910), (210, 1387568), (224, 1300845), (240, 1214122), (245, 1189344), (260, 1120728), (273, 1067360), (280, 1040676), (294, 991120), (312, 933940), (336, 867230), (364, 800520), (390, 747152), (392, 743340), (416, 700455), (420, 693784), (455, 640416), (480, 607061), (490, 594672), (520, 560364), (546, 533680), (560, 520338), (588, 495560), (624, 466970), (637, 457440), (672, 433615), (728, 400260), (735, 396448), (780, 373576), (784, 371670), (840, 346892), (910, 320208), (953, 305760), (980, 297336), (1040, 280182), (1092, 266840), (1120, 260169), (1176, 247780), (1248, 233485), (1274, 228720), (1365, 213472), (1456, 200130), (1470, 198224), (1560, 186788), (1568, 185835), (1680, 173446), (1820, 160104), (1906, 152880), (1911, 152480), (1960, 148668), (2080, 140091), (2184, 133420), (2352, 123890), (2548, 114360), (2730, 106736), (2859, 101920), (2912, 100065), (2940, 99112), (3120, 93394), (3185, 91488), (3360, 86723), (3640, 80052), (3812, 76440), (3822, 76240), (3920, 74334), (4368, 66710), (4704, 61945), (4765, 61152), (5096, 57180), (5460, 53368), (5718, 50960), (5880, 49556), (6240, 46697), (6370, 45744), (6671, 43680), (7280, 40026), (7624, 38220), (7644, 38120), (7840, 37167), (8736, 33355), (9530, 30576), (9555, 30496), (10192, 28590), (10920, 26684), (11436, 25480), (11760, 24778), (12389, 23520), (12740, 22872), (13342, 21840), (14295, 20384), (14560, 20013), (15248, 19110), (15288, 19060)]