128888460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4139}}^1$

素因数の和:4327

約数の個数: 72

約数和(自身を含む): 393316560

約数和(自身を除く): 264428100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 4139, 5190, 6228, 7785, 8278, 10380, 12417, 15570, 16556, 20695, 24834, 31140, 37251, 41390, 49668, 62085, 74502, 82780, 124170, 149004, 186255, 248340, 372510, 716047, 745020, 1432094, 2148141, 2864188, 3580235, 4296282, 6444423, 7160470, 8592564, 10740705, 12888846, 14320940, 21481410, 25777692, 32222115, 42962820, 64444230, 128888460]

約数ペア:

[(1, 128888460), (2, 64444230), (3, 42962820), (4, 32222115), (5, 25777692), (6, 21481410), (9, 14320940), (10, 12888846), (12, 10740705), (15, 8592564), (18, 7160470), (20, 6444423), (30, 4296282), (36, 3580235), (45, 2864188), (60, 2148141), (90, 1432094), (173, 745020), (180, 716047), (346, 372510), (519, 248340), (692, 186255), (865, 149004), (1038, 124170), (1557, 82780), (1730, 74502), (2076, 62085), (2595, 49668), (3114, 41390), (3460, 37251), (4139, 31140), (5190, 24834), (6228, 20695), (7785, 16556), (8278, 15570), (10380, 12417)]