490619640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 256

約数和(自身を含む): 1765048320

約数和(自身を除く): 1274428680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 83, 84, 93, 105, 120, 124, 140, 155, 166, 168, 186, 210, 217, 227, 248, 249, 280, 310, 332, 372, 415, 420, 434, 454, 465, 498, 581, 620, 651, 664, 681, 744, 830, 840, 868, 908, 930, 996, 1085, 1135, 1162, 1240, 1245, 1302, 1362, 1589, 1660, 1736, 1743, 1816, 1860, 1992, 2170, 2270, 2324, 2490, 2573, 2604, 2724, 2905, 3178, 3255, 3320, 3405, 3486, 3720, 4340, 4540, 4648, 4767, 4980, 5146, 5208, 5448, 5810, 6356, 6510, 6810, 6972, 7037, 7719, 7945, 8680, 8715, 9080, 9534, 9960, 10292, 11620, 12712, 12865, 13020, 13620, 13944, 14074, 15438, 15890, 17430, 18011, 18841, 19068, 20584, 21111, 23240, 23835, 25730, 26040, 27240, 28148, 30876, 31780, 34860, 35185, 36022, 37682, 38136, 38595, 42222, 47670, 49259, 51460, 54033, 56296, 56523, 61752, 63560, 69720, 70370, 72044, 75364, 77190, 84444, 90055, 94205, 95340, 98518, 102920, 105555, 108066, 113046, 131887, 140740, 144088, 147777, 150728, 154380, 168888, 180110, 188410, 190680, 197036, 211110, 216132, 226092, 246295, 263774, 270165, 281480, 282615, 295554, 308760, 360220, 376820, 394072, 395661, 422220, 432264, 452184, 492590, 527548, 540330, 565230, 584071, 591108, 659435, 720440, 738885, 753640, 791322, 844440, 985180, 1055096, 1080660, 1130460, 1168142, 1182216, 1318870, 1477770, 1582644, 1752213, 1970360, 1978305, 2161320, 2260920, 2336284, 2637740, 2920355, 2955540, 3165288, 3504426, 3956610, 4088497, 4672568, 5275480, 5840710, 5911080, 7008852, 7913220, 8176994, 8761065, 11681420, 12265491, 14017704, 15826440, 16353988, 17522130, 20442485, 23362840, 24530982, 32707976, 35044260, 40884970, 49061964, 61327455, 70088520, 81769940, 98123928, 122654910, 163539880, 245309820, 490619640]

約数ペア:

[(1, 490619640), (2, 245309820), (3, 163539880), (4, 122654910), (5, 98123928), (6, 81769940), (7, 70088520), (8, 61327455), (10, 49061964), (12, 40884970), (14, 35044260), (15, 32707976), (20, 24530982), (21, 23362840), (24, 20442485), (28, 17522130), (30, 16353988), (31, 15826440), (35, 14017704), (40, 12265491), (42, 11681420), (56, 8761065), (60, 8176994), (62, 7913220), (70, 7008852), (83, 5911080), (84, 5840710), (93, 5275480), (105, 4672568), (120, 4088497), (124, 3956610), (140, 3504426), (155, 3165288), (166, 2955540), (168, 2920355), (186, 2637740), (210, 2336284), (217, 2260920), (227, 2161320), (248, 1978305), (249, 1970360), (280, 1752213), (310, 1582644), (332, 1477770), (372, 1318870), (415, 1182216), (420, 1168142), (434, 1130460), (454, 1080660), (465, 1055096), (498, 985180), (581, 844440), (620, 791322), (651, 753640), (664, 738885), (681, 720440), (744, 659435), (830, 591108), (840, 584071), (868, 565230), (908, 540330), (930, 527548), (996, 492590), (1085, 452184), (1135, 432264), (1162, 422220), (1240, 395661), (1245, 394072), (1302, 376820), (1362, 360220), (1589, 308760), (1660, 295554), (1736, 282615), (1743, 281480), (1816, 270165), (1860, 263774), (1992, 246295), (2170, 226092), (2270, 216132), (2324, 211110), (2490, 197036), (2573, 190680), (2604, 188410), (2724, 180110), (2905, 168888), (3178, 154380), (3255, 150728), (3320, 147777), (3405, 144088), (3486, 140740), (3720, 131887), (4340, 113046), (4540, 108066), (4648, 105555), (4767, 102920), (4980, 98518), (5146, 95340), (5208, 94205), (5448, 90055), (5810, 84444), (6356, 77190), (6510, 75364), (6810, 72044), (6972, 70370), (7037, 69720), (7719, 63560), (7945, 61752), (8680, 56523), (8715, 56296), (9080, 54033), (9534, 51460), (9960, 49259), (10292, 47670), (11620, 42222), (12712, 38595), (12865, 38136), (13020, 37682), (13620, 36022), (13944, 35185), (14074, 34860), (15438, 31780), (15890, 30876), (17430, 28148), (18011, 27240), (18841, 26040), (19068, 25730), (20584, 23835), (21111, 23240)]