2491515720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 256

約数和(自身を含む): 8597664000

約数和(自身を除く): 6106148280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 61, 72, 90, 108, 118, 120, 122, 135, 177, 180, 183, 216, 236, 244, 270, 295, 305, 354, 360, 366, 472, 488, 531, 540, 549, 590, 610, 641, 708, 732, 885, 915, 1062, 1080, 1098, 1180, 1220, 1282, 1416, 1464, 1593, 1647, 1770, 1830, 1923, 2124, 2196, 2360, 2440, 2564, 2655, 2745, 3186, 3205, 3294, 3540, 3599, 3660, 3846, 4248, 4392, 5128, 5310, 5490, 5769, 6372, 6410, 6588, 7080, 7198, 7320, 7692, 7965, 8235, 9615, 10620, 10797, 10980, 11538, 12744, 12820, 13176, 14396, 15384, 15930, 16470, 17307, 17995, 19230, 21240, 21594, 21960, 23076, 25640, 28792, 28845, 31860, 32391, 32940, 34614, 35990, 37819, 38460, 39101, 43188, 46152, 53985, 57690, 63720, 64782, 65880, 69228, 71980, 75638, 76920, 78202, 86376, 86535, 97173, 107970, 113457, 115380, 117303, 129564, 138456, 143960, 151276, 156404, 161955, 173070, 189095, 194346, 195505, 215940, 226914, 230760, 234606, 259128, 302552, 312808, 323910, 340371, 346140, 351909, 378190, 388692, 391010, 431880, 453828, 469212, 485865, 567285, 586515, 647820, 680742, 692280, 703818, 756380, 777384, 782020, 907656, 938424, 971730, 1021113, 1055727, 1134570, 1173030, 1295640, 1361484, 1407636, 1512760, 1564040, 1701855, 1759545, 1943460, 2042226, 2111454, 2269140, 2306959, 2346060, 2722968, 2815272, 3403710, 3519090, 3886920, 4084452, 4222908, 4538280, 4613918, 4692120, 5105565, 5278635, 6807420, 6920877, 7038180, 8168904, 8445816, 9227836, 10211130, 10557270, 11534795, 13614840, 13841754, 14076360, 18455672, 20422260, 20762631, 21114540, 23069590, 27683508, 34604385, 40844520, 41525262, 42229080, 46139180, 55367016, 62287893, 69208770, 83050524, 92278360, 103813155, 124575786, 138417540, 166101048, 207626310, 249151572, 276835080, 311439465, 415252620, 498303144, 622878930, 830505240, 1245757860, 2491515720]

約数ペア:

[(1, 2491515720), (2, 1245757860), (3, 830505240), (4, 622878930), (5, 498303144), (6, 415252620), (8, 311439465), (9, 276835080), (10, 249151572), (12, 207626310), (15, 166101048), (18, 138417540), (20, 124575786), (24, 103813155), (27, 92278360), (30, 83050524), (36, 69208770), (40, 62287893), (45, 55367016), (54, 46139180), (59, 42229080), (60, 41525262), (61, 40844520), (72, 34604385), (90, 27683508), (108, 23069590), (118, 21114540), (120, 20762631), (122, 20422260), (135, 18455672), (177, 14076360), (180, 13841754), (183, 13614840), (216, 11534795), (236, 10557270), (244, 10211130), (270, 9227836), (295, 8445816), (305, 8168904), (354, 7038180), (360, 6920877), (366, 6807420), (472, 5278635), (488, 5105565), (531, 4692120), (540, 4613918), (549, 4538280), (590, 4222908), (610, 4084452), (641, 3886920), (708, 3519090), (732, 3403710), (885, 2815272), (915, 2722968), (1062, 2346060), (1080, 2306959), (1098, 2269140), (1180, 2111454), (1220, 2042226), (1282, 1943460), (1416, 1759545), (1464, 1701855), (1593, 1564040), (1647, 1512760), (1770, 1407636), (1830, 1361484), (1923, 1295640), (2124, 1173030), (2196, 1134570), (2360, 1055727), (2440, 1021113), (2564, 971730), (2655, 938424), (2745, 907656), (3186, 782020), (3205, 777384), (3294, 756380), (3540, 703818), (3599, 692280), (3660, 680742), (3846, 647820), (4248, 586515), (4392, 567285), (5128, 485865), (5310, 469212), (5490, 453828), (5769, 431880), (6372, 391010), (6410, 388692), (6588, 378190), (7080, 351909), (7198, 346140), (7320, 340371), (7692, 323910), (7965, 312808), (8235, 302552), (9615, 259128), (10620, 234606), (10797, 230760), (10980, 226914), (11538, 215940), (12744, 195505), (12820, 194346), (13176, 189095), (14396, 173070), (15384, 161955), (15930, 156404), (16470, 151276), (17307, 143960), (17995, 138456), (19230, 129564), (21240, 117303), (21594, 115380), (21960, 113457), (23076, 107970), (25640, 97173), (28792, 86535), (28845, 86376), (31860, 78202), (32391, 76920), (32940, 75638), (34614, 71980), (35990, 69228), (37819, 65880), (38460, 64782), (39101, 63720), (43188, 57690), (46152, 53985)]