261226980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1373}}^1$

素因数の和:1546

約数の個数: 144

約数和(自身を含む): 912248064

約数和(自身を除く): 651021084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 151, 180, 210, 252, 302, 315, 420, 453, 604, 630, 755, 906, 1057, 1260, 1359, 1373, 1510, 1812, 2114, 2265, 2718, 2746, 3020, 3171, 4119, 4228, 4530, 5285, 5436, 5492, 6342, 6795, 6865, 8238, 9060, 9513, 9611, 10570, 12357, 12684, 13590, 13730, 15855, 16476, 19026, 19222, 20595, 21140, 24714, 27180, 27460, 28833, 31710, 38052, 38444, 41190, 47565, 48055, 49428, 57666, 61785, 63420, 82380, 86499, 95130, 96110, 115332, 123570, 144165, 172998, 190260, 192220, 207323, 247140, 288330, 345996, 414646, 432495, 576660, 621969, 829292, 864990, 1036615, 1243938, 1451261, 1729980, 1865907, 2073230, 2487876, 2902522, 3109845, 3731814, 4146460, 4353783, 5805044, 6219690, 7256305, 7463628, 8707566, 9329535, 12439380, 13061349, 14512610, 17415132, 18659070, 21768915, 26122698, 29025220, 37318140, 43537830, 52245396, 65306745, 87075660, 130613490, 261226980]

約数ペア:

[(1, 261226980), (2, 130613490), (3, 87075660), (4, 65306745), (5, 52245396), (6, 43537830), (7, 37318140), (9, 29025220), (10, 26122698), (12, 21768915), (14, 18659070), (15, 17415132), (18, 14512610), (20, 13061349), (21, 12439380), (28, 9329535), (30, 8707566), (35, 7463628), (36, 7256305), (42, 6219690), (45, 5805044), (60, 4353783), (63, 4146460), (70, 3731814), (84, 3109845), (90, 2902522), (105, 2487876), (126, 2073230), (140, 1865907), (151, 1729980), (180, 1451261), (210, 1243938), (252, 1036615), (302, 864990), (315, 829292), (420, 621969), (453, 576660), (604, 432495), (630, 414646), (755, 345996), (906, 288330), (1057, 247140), (1260, 207323), (1359, 192220), (1373, 190260), (1510, 172998), (1812, 144165), (2114, 123570), (2265, 115332), (2718, 96110), (2746, 95130), (3020, 86499), (3171, 82380), (4119, 63420), (4228, 61785), (4530, 57666), (5285, 49428), (5436, 48055), (5492, 47565), (6342, 41190), (6795, 38444), (6865, 38052), (8238, 31710), (9060, 28833), (9513, 27460), (9611, 27180), (10570, 24714), (12357, 21140), (12684, 20595), (13590, 19222), (13730, 19026), (15855, 16476)]