1287321810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 3277946880

約数和(自身を除く): 1990625070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 89, 93, 103, 151, 155, 178, 186, 206, 267, 302, 309, 310, 445, 453, 465, 515, 534, 618, 755, 890, 906, 930, 1030, 1335, 1510, 1545, 2265, 2670, 2759, 3090, 3193, 4530, 4681, 5518, 6386, 8277, 9167, 9362, 9579, 13439, 13795, 14043, 15553, 15965, 16554, 18334, 19158, 23405, 26878, 27501, 27590, 28086, 31106, 31930, 40317, 41385, 45835, 46659, 46810, 47895, 55002, 67195, 70215, 77765, 80634, 82770, 91670, 93318, 95790, 134390, 137505, 140430, 155530, 201585, 233295, 275010, 284177, 403170, 416609, 466590, 482143, 568354, 833218, 852531, 964286, 1249827, 1384217, 1420885, 1446429, 1705062, 2083045, 2410715, 2499654, 2768434, 2841770, 2892858, 4152651, 4166090, 4262655, 4821430, 6249135, 6921085, 7232145, 8305302, 8525310, 12498270, 13842170, 14464290, 20763255, 41526510, 42910727, 85821454, 128732181, 214553635, 257464362, 429107270, 643660905, 1287321810]

約数ペア:

[(1, 1287321810), (2, 643660905), (3, 429107270), (5, 257464362), (6, 214553635), (10, 128732181), (15, 85821454), (30, 42910727), (31, 41526510), (62, 20763255), (89, 14464290), (93, 13842170), (103, 12498270), (151, 8525310), (155, 8305302), (178, 7232145), (186, 6921085), (206, 6249135), (267, 4821430), (302, 4262655), (309, 4166090), (310, 4152651), (445, 2892858), (453, 2841770), (465, 2768434), (515, 2499654), (534, 2410715), (618, 2083045), (755, 1705062), (890, 1446429), (906, 1420885), (930, 1384217), (1030, 1249827), (1335, 964286), (1510, 852531), (1545, 833218), (2265, 568354), (2670, 482143), (2759, 466590), (3090, 416609), (3193, 403170), (4530, 284177), (4681, 275010), (5518, 233295), (6386, 201585), (8277, 155530), (9167, 140430), (9362, 137505), (9579, 134390), (13439, 95790), (13795, 93318), (14043, 91670), (15553, 82770), (15965, 80634), (16554, 77765), (18334, 70215), (19158, 67195), (23405, 55002), (26878, 47895), (27501, 46810), (27590, 46659), (28086, 45835), (31106, 41385), (31930, 40317)]