261738421344

素因数分解:

$2^5\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1013}}^1\times {\mathrm{2131}}^1$

素因数の和:3581

約数の個数: 144

約数和(自身を含む): 747173582064

約数和(自身を除く): 485435160720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 421, 842, 1013, 1263, 1684, 2026, 2131, 2526, 3039, 3368, 3789, 4052, 4262, 5052, 6078, 6393, 6736, 7578, 8104, 8524, 9117, 10104, 12156, 12786, 13472, 15156, 16208, 17048, 18234, 19179, 20208, 24312, 25572, 30312, 32416, 34096, 36468, 38358, 40416, 48624, 51144, 60624, 68192, 72936, 76716, 97248, 102288, 121248, 145872, 153432, 204576, 291744, 306864, 426473, 613728, 852946, 897151, 1279419, 1705892, 1794302, 2158703, 2558838, 2691453, 3411784, 3588604, 3838257, 4317406, 5117676, 5382906, 6476109, 6823568, 7177208, 7676514, 8074359, 8634812, 10235352, 10765812, 12952218, 13647136, 14354416, 15353028, 16148718, 17269624, 19428327, 20470704, 21531624, 25904436, 28708832, 30706056, 32297436, 34539248, 38856654, 40941408, 43063248, 51808872, 61412112, 64594872, 69078496, 77713308, 86126496, 103617744, 122824224, 129189744, 155426616, 207235488, 258379488, 310853232, 621706464, 908813963, 1817627926, 2726441889, 3635255852, 5452883778, 7270511704, 8179325667, 10905767556, 14541023408, 16358651334, 21811535112, 29082046816, 32717302668, 43623070224, 65434605336, 87246140448, 130869210672, 261738421344]

約数ペア:

[(1, 261738421344), (2, 130869210672), (3, 87246140448), (4, 65434605336), (6, 43623070224), (8, 32717302668), (9, 29082046816), (12, 21811535112), (16, 16358651334), (18, 14541023408), (24, 10905767556), (32, 8179325667), (36, 7270511704), (48, 5452883778), (72, 3635255852), (96, 2726441889), (144, 1817627926), (288, 908813963), (421, 621706464), (842, 310853232), (1013, 258379488), (1263, 207235488), (1684, 155426616), (2026, 129189744), (2131, 122824224), (2526, 103617744), (3039, 86126496), (3368, 77713308), (3789, 69078496), (4052, 64594872), (4262, 61412112), (5052, 51808872), (6078, 43063248), (6393, 40941408), (6736, 38856654), (7578, 34539248), (8104, 32297436), (8524, 30706056), (9117, 28708832), (10104, 25904436), (12156, 21531624), (12786, 20470704), (13472, 19428327), (15156, 17269624), (16208, 16148718), (17048, 15353028), (18234, 14354416), (19179, 13647136), (20208, 12952218), (24312, 10765812), (25572, 10235352), (30312, 8634812), (32416, 8074359), (34096, 7676514), (36468, 7177208), (38358, 6823568), (40416, 6476109), (48624, 5382906), (51144, 5117676), (60624, 4317406), (68192, 3838257), (72936, 3588604), (76716, 3411784), (97248, 2691453), (102288, 2558838), (121248, 2158703), (145872, 1794302), (153432, 1705892), (204576, 1279419), (291744, 897151), (306864, 852946), (426473, 613728)]