201511310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 499903488

約数和(自身を除く): 298392178

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 41, 55, 65, 70, 77, 82, 91, 110, 130, 143, 154, 182, 205, 286, 287, 385, 410, 451, 455, 491, 533, 574, 715, 770, 902, 910, 982, 1001, 1066, 1430, 1435, 2002, 2255, 2455, 2665, 2870, 3157, 3437, 3731, 4510, 4910, 5005, 5330, 5401, 5863, 6314, 6383, 6874, 7462, 10010, 10802, 11726, 12766, 15785, 17185, 18655, 20131, 27005, 29315, 31570, 31915, 34370, 37310, 37807, 40262, 41041, 44681, 54010, 58630, 63830, 70213, 75614, 82082, 89362, 100655, 140426, 140917, 189035, 201310, 205205, 221441, 223405, 261703, 281834, 351065, 378070, 410410, 442882, 446810, 491491, 523406, 702130, 704585, 982982, 1107205, 1308515, 1409170, 1550087, 1831921, 2214410, 2457455, 2617030, 2878733, 3100174, 3663842, 4914910, 5757466, 7750435, 9159605, 14393665, 15500870, 18319210, 20151131, 28787330, 40302262, 100755655, 201511310]

約数ペア:

[(1, 201511310), (2, 100755655), (5, 40302262), (7, 28787330), (10, 20151131), (11, 18319210), (13, 15500870), (14, 14393665), (22, 9159605), (26, 7750435), (35, 5757466), (41, 4914910), (55, 3663842), (65, 3100174), (70, 2878733), (77, 2617030), (82, 2457455), (91, 2214410), (110, 1831921), (130, 1550087), (143, 1409170), (154, 1308515), (182, 1107205), (205, 982982), (286, 704585), (287, 702130), (385, 523406), (410, 491491), (451, 446810), (455, 442882), (491, 410410), (533, 378070), (574, 351065), (715, 281834), (770, 261703), (902, 223405), (910, 221441), (982, 205205), (1001, 201310), (1066, 189035), (1430, 140917), (1435, 140426), (2002, 100655), (2255, 89362), (2455, 82082), (2665, 75614), (2870, 70213), (3157, 63830), (3437, 58630), (3731, 54010), (4510, 44681), (4910, 41041), (5005, 40262), (5330, 37807), (5401, 37310), (5863, 34370), (6314, 31915), (6383, 31570), (6874, 29315), (7462, 27005), (10010, 20131), (10802, 18655), (11726, 17185), (12766, 15785)]