15122912800

素因数分解:

$2^5\times 5^2\times {\mathrm{619}}^1\times {\mathrm{30539}}^1$

素因数の和:31178

約数の個数: 72

約数和(自身を含む): 36979664400

約数和(自身を除く): 21856751600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 619, 800, 1238, 2476, 3095, 4952, 6190, 9904, 12380, 15475, 19808, 24760, 30539, 30950, 49520, 61078, 61900, 99040, 122156, 123800, 152695, 244312, 247600, 305390, 488624, 495200, 610780, 763475, 977248, 1221560, 1526950, 2443120, 3053900, 4886240, 6107800, 12215600, 18903641, 24431200, 37807282, 75614564, 94518205, 151229128, 189036410, 302458256, 378072820, 472591025, 604916512, 756145640, 945182050, 1512291280, 1890364100, 3024582560, 3780728200, 7561456400, 15122912800]

約数ペア:

[(1, 15122912800), (2, 7561456400), (4, 3780728200), (5, 3024582560), (8, 1890364100), (10, 1512291280), (16, 945182050), (20, 756145640), (25, 604916512), (32, 472591025), (40, 378072820), (50, 302458256), (80, 189036410), (100, 151229128), (160, 94518205), (200, 75614564), (400, 37807282), (619, 24431200), (800, 18903641), (1238, 12215600), (2476, 6107800), (3095, 4886240), (4952, 3053900), (6190, 2443120), (9904, 1526950), (12380, 1221560), (15475, 977248), (19808, 763475), (24760, 610780), (30539, 495200), (30950, 488624), (49520, 305390), (61078, 247600), (61900, 244312), (99040, 152695), (122156, 123800)]