987905520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6323}}^1$

素因数の和:6380

約数の個数: 240

約数和(自身を含む): 3914606592

約数和(自身を除く): 2926701072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6323, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 12646, 13020, 15624, 17360, 18969, 19530, 22320, 25292, 26040, 31248, 31615, 37938, 39060, 44261, 50584, 52080, 56907, 63230, 75876, 78120, 88522, 94845, 101168, 113814, 126460, 132783, 151752, 156240, 177044, 189690, 196013, 221305, 227628, 252920, 265566, 284535, 303504, 354088, 379380, 392026, 398349, 442610, 455256, 505840, 531132, 569070, 588039, 663915, 708176, 758760, 784052, 796698, 885220, 910512, 980065, 1062264, 1138140, 1176078, 1327830, 1372091, 1517520, 1568104, 1593396, 1764117, 1770440, 1960130, 1991745, 2124528, 2276280, 2352156, 2655660, 2744182, 2940195, 3136208, 3186792, 3528234, 3540880, 3920260, 3983490, 4116273, 4552560, 4704312, 5311320, 5488364, 5880390, 6373584, 6860455, 7056468, 7840520, 7966980, 8232546, 8820585, 9408624, 10622640, 10976728, 11760780, 12348819, 13720910, 14112936, 15681040, 15933960, 16465092, 17641170, 20581365, 21953456, 23521560, 24697638, 27441820, 28225872, 31867920, 32930184, 35282340, 41162730, 47043120, 49395276, 54883640, 61744095, 65860368, 70564680, 82325460, 98790552, 109767280, 123488190, 141129360, 164650920, 197581104, 246976380, 329301840, 493952760, 987905520]

約数ペア:

[(1, 987905520), (2, 493952760), (3, 329301840), (4, 246976380), (5, 197581104), (6, 164650920), (7, 141129360), (8, 123488190), (9, 109767280), (10, 98790552), (12, 82325460), (14, 70564680), (15, 65860368), (16, 61744095), (18, 54883640), (20, 49395276), (21, 47043120), (24, 41162730), (28, 35282340), (30, 32930184), (31, 31867920), (35, 28225872), (36, 27441820), (40, 24697638), (42, 23521560), (45, 21953456), (48, 20581365), (56, 17641170), (60, 16465092), (62, 15933960), (63, 15681040), (70, 14112936), (72, 13720910), (80, 12348819), (84, 11760780), (90, 10976728), (93, 10622640), (105, 9408624), (112, 8820585), (120, 8232546), (124, 7966980), (126, 7840520), (140, 7056468), (144, 6860455), (155, 6373584), (168, 5880390), (180, 5488364), (186, 5311320), (210, 4704312), (217, 4552560), (240, 4116273), (248, 3983490), (252, 3920260), (279, 3540880), (280, 3528234), (310, 3186792), (315, 3136208), (336, 2940195), (360, 2744182), (372, 2655660), (420, 2352156), (434, 2276280), (465, 2124528), (496, 1991745), (504, 1960130), (558, 1770440), (560, 1764117), (620, 1593396), (630, 1568104), (651, 1517520), (720, 1372091), (744, 1327830), (840, 1176078), (868, 1138140), (930, 1062264), (1008, 980065), (1085, 910512), (1116, 885220), (1240, 796698), (1260, 784052), (1302, 758760), (1395, 708176), (1488, 663915), (1680, 588039), (1736, 569070), (1860, 531132), (1953, 505840), (2170, 455256), (2232, 442610), (2480, 398349), (2520, 392026), (2604, 379380), (2790, 354088), (3255, 303504), (3472, 284535), (3720, 265566), (3906, 252920), (4340, 227628), (4464, 221305), (5040, 196013), (5208, 189690), (5580, 177044), (6323, 156240), (6510, 151752), (7440, 132783), (7812, 126460), (8680, 113814), (9765, 101168), (10416, 94845), (11160, 88522), (12646, 78120), (13020, 75876), (15624, 63230), (17360, 56907), (18969, 52080), (19530, 50584), (22320, 44261), (25292, 39060), (26040, 37938), (31248, 31615)]