64415780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 161215488

約数和(自身を除く): 96799708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 101, 110, 130, 143, 202, 220, 223, 260, 286, 404, 446, 505, 572, 715, 892, 1010, 1111, 1115, 1313, 1430, 2020, 2222, 2230, 2453, 2626, 2860, 2899, 4444, 4460, 4906, 5252, 5555, 5798, 6565, 9812, 11110, 11596, 12265, 13130, 14443, 14495, 22220, 22523, 24530, 26260, 28886, 28990, 31889, 45046, 49060, 57772, 57980, 63778, 72215, 90092, 112615, 127556, 144430, 159445, 225230, 247753, 288860, 292799, 318890, 450460, 495506, 585598, 637780, 991012, 1171196, 1238765, 1463995, 2477530, 2927990, 3220789, 4955060, 5855980, 6441578, 12883156, 16103945, 32207890, 64415780]

約数ペア:

[(1, 64415780), (2, 32207890), (4, 16103945), (5, 12883156), (10, 6441578), (11, 5855980), (13, 4955060), (20, 3220789), (22, 2927990), (26, 2477530), (44, 1463995), (52, 1238765), (55, 1171196), (65, 991012), (101, 637780), (110, 585598), (130, 495506), (143, 450460), (202, 318890), (220, 292799), (223, 288860), (260, 247753), (286, 225230), (404, 159445), (446, 144430), (505, 127556), (572, 112615), (715, 90092), (892, 72215), (1010, 63778), (1111, 57980), (1115, 57772), (1313, 49060), (1430, 45046), (2020, 31889), (2222, 28990), (2230, 28886), (2453, 26260), (2626, 24530), (2860, 22523), (2899, 22220), (4444, 14495), (4460, 14443), (4906, 13130), (5252, 12265), (5555, 11596), (5798, 11110), (6565, 9812)]