261463440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1511}}^1$

素因数の和:1637

約数の個数: 160

約数和(自身を含む): 935940096

約数和(自身を除く): 674476656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 206, 210, 240, 280, 309, 336, 412, 420, 515, 560, 618, 721, 824, 840, 1030, 1236, 1442, 1511, 1545, 1648, 1680, 2060, 2163, 2472, 2884, 3022, 3090, 3605, 4120, 4326, 4533, 4944, 5768, 6044, 6180, 7210, 7555, 8240, 8652, 9066, 10577, 10815, 11536, 12088, 12360, 14420, 15110, 17304, 18132, 21154, 21630, 22665, 24176, 24720, 28840, 30220, 31731, 34608, 36264, 42308, 43260, 45330, 52885, 57680, 60440, 63462, 72528, 84616, 86520, 90660, 105770, 120880, 126924, 155633, 158655, 169232, 173040, 181320, 211540, 253848, 311266, 317310, 362640, 423080, 466899, 507696, 622532, 634620, 778165, 846160, 933798, 1089431, 1245064, 1269240, 1556330, 1867596, 2178862, 2334495, 2490128, 2538480, 3112660, 3268293, 3735192, 4357724, 4668990, 5447155, 6225320, 6536586, 7470384, 8715448, 9337980, 10894310, 12450640, 13073172, 16341465, 17430896, 18675960, 21788620, 26146344, 32682930, 37351920, 43577240, 52292688, 65365860, 87154480, 130731720, 261463440]

約数ペア:

[(1, 261463440), (2, 130731720), (3, 87154480), (4, 65365860), (5, 52292688), (6, 43577240), (7, 37351920), (8, 32682930), (10, 26146344), (12, 21788620), (14, 18675960), (15, 17430896), (16, 16341465), (20, 13073172), (21, 12450640), (24, 10894310), (28, 9337980), (30, 8715448), (35, 7470384), (40, 6536586), (42, 6225320), (48, 5447155), (56, 4668990), (60, 4357724), (70, 3735192), (80, 3268293), (84, 3112660), (103, 2538480), (105, 2490128), (112, 2334495), (120, 2178862), (140, 1867596), (168, 1556330), (206, 1269240), (210, 1245064), (240, 1089431), (280, 933798), (309, 846160), (336, 778165), (412, 634620), (420, 622532), (515, 507696), (560, 466899), (618, 423080), (721, 362640), (824, 317310), (840, 311266), (1030, 253848), (1236, 211540), (1442, 181320), (1511, 173040), (1545, 169232), (1648, 158655), (1680, 155633), (2060, 126924), (2163, 120880), (2472, 105770), (2884, 90660), (3022, 86520), (3090, 84616), (3605, 72528), (4120, 63462), (4326, 60440), (4533, 57680), (4944, 52885), (5768, 45330), (6044, 43260), (6180, 42308), (7210, 36264), (7555, 34608), (8240, 31731), (8652, 30220), (9066, 28840), (10577, 24720), (10815, 24176), (11536, 22665), (12088, 21630), (12360, 21154), (14420, 18132), (15110, 17304)]