15553640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 37616400

約数和(自身を除く): 22062760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 257, 340, 356, 445, 514, 680, 712, 890, 1028, 1285, 1513, 1780, 2056, 2570, 3026, 3560, 4369, 5140, 6052, 7565, 8738, 10280, 12104, 15130, 17476, 21845, 22873, 30260, 34952, 43690, 45746, 60520, 87380, 91492, 114365, 174760, 182984, 228730, 388841, 457460, 777682, 914920, 1555364, 1944205, 3110728, 3888410, 7776820, 15553640]

約数ペア:

[(1, 15553640), (2, 7776820), (4, 3888410), (5, 3110728), (8, 1944205), (10, 1555364), (17, 914920), (20, 777682), (34, 457460), (40, 388841), (68, 228730), (85, 182984), (89, 174760), (136, 114365), (170, 91492), (178, 87380), (257, 60520), (340, 45746), (356, 43690), (445, 34952), (514, 30260), (680, 22873), (712, 21845), (890, 17476), (1028, 15130), (1285, 12104), (1513, 10280), (1780, 8738), (2056, 7565), (2570, 6052), (3026, 5140), (3560, 4369)]