131572980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{863}}^1$

素因数の和:907

約数の個数: 216

約数和(自身を含む): 501935616

約数和(自身を除く): 370362636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 863, 924, 990, 1089, 1155, 1210, 1260, 1386, 1452, 1540, 1694, 1726, 1815, 1980, 2178, 2310, 2420, 2541, 2589, 2772, 3388, 3452, 3465, 3630, 4235, 4315, 4356, 4620, 5082, 5178, 5445, 6041, 6930, 7260, 7623, 7767, 8470, 8630, 9493, 10164, 10356, 10890, 12082, 12705, 12945, 13860, 15246, 15534, 16940, 17260, 18123, 18986, 21780, 24164, 25410, 25890, 28479, 30205, 30492, 31068, 36246, 37972, 38115, 38835, 47465, 50820, 51780, 54369, 56958, 60410, 66451, 72492, 76230, 77670, 85437, 90615, 94930, 104423, 108738, 113916, 120820, 132902, 142395, 152460, 155340, 170874, 181230, 189860, 199353, 208846, 217476, 265804, 271845, 284790, 313269, 332255, 341748, 362460, 398706, 417692, 427185, 522115, 543690, 569580, 598059, 626538, 664510, 730961, 797412, 854370, 939807, 996765, 1044230, 1087380, 1196118, 1253076, 1329020, 1461922, 1566345, 1708740, 1879614, 1993530, 2088460, 2192883, 2392236, 2923844, 2990295, 3132690, 3654805, 3759228, 3987060, 4385766, 4699035, 5980590, 6265380, 6578649, 7309610, 8771532, 9398070, 10964415, 11961180, 13157298, 14619220, 18796140, 21928830, 26314596, 32893245, 43857660, 65786490, 131572980]

約数ペア:

[(1, 131572980), (2, 65786490), (3, 43857660), (4, 32893245), (5, 26314596), (6, 21928830), (7, 18796140), (9, 14619220), (10, 13157298), (11, 11961180), (12, 10964415), (14, 9398070), (15, 8771532), (18, 7309610), (20, 6578649), (21, 6265380), (22, 5980590), (28, 4699035), (30, 4385766), (33, 3987060), (35, 3759228), (36, 3654805), (42, 3132690), (44, 2990295), (45, 2923844), (55, 2392236), (60, 2192883), (63, 2088460), (66, 1993530), (70, 1879614), (77, 1708740), (84, 1566345), (90, 1461922), (99, 1329020), (105, 1253076), (110, 1196118), (121, 1087380), (126, 1044230), (132, 996765), (140, 939807), (154, 854370), (165, 797412), (180, 730961), (198, 664510), (210, 626538), (220, 598059), (231, 569580), (242, 543690), (252, 522115), (308, 427185), (315, 417692), (330, 398706), (363, 362460), (385, 341748), (396, 332255), (420, 313269), (462, 284790), (484, 271845), (495, 265804), (605, 217476), (630, 208846), (660, 199353), (693, 189860), (726, 181230), (770, 170874), (847, 155340), (863, 152460), (924, 142395), (990, 132902), (1089, 120820), (1155, 113916), (1210, 108738), (1260, 104423), (1386, 94930), (1452, 90615), (1540, 85437), (1694, 77670), (1726, 76230), (1815, 72492), (1980, 66451), (2178, 60410), (2310, 56958), (2420, 54369), (2541, 51780), (2589, 50820), (2772, 47465), (3388, 38835), (3452, 38115), (3465, 37972), (3630, 36246), (4235, 31068), (4315, 30492), (4356, 30205), (4620, 28479), (5082, 25890), (5178, 25410), (5445, 24164), (6041, 21780), (6930, 18986), (7260, 18123), (7623, 17260), (7767, 16940), (8470, 15534), (8630, 15246), (9493, 13860), (10164, 12945), (10356, 12705), (10890, 12082)]