128980280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22549}}^1$

素因数の和:22584

約数の個数: 64

約数和(自身を含む): 340956000

約数和(自身を除く): 211975720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 22549, 45098, 90196, 112745, 180392, 225490, 248039, 293137, 450980, 496078, 586274, 901960, 992156, 1172548, 1240195, 1465685, 1984312, 2345096, 2480390, 2931370, 3224507, 4960780, 5862740, 6449014, 9921560, 11725480, 12898028, 16122535, 25796056, 32245070, 64490140, 128980280]

約数ペア:

[(1, 128980280), (2, 64490140), (4, 32245070), (5, 25796056), (8, 16122535), (10, 12898028), (11, 11725480), (13, 9921560), (20, 6449014), (22, 5862740), (26, 4960780), (40, 3224507), (44, 2931370), (52, 2480390), (55, 2345096), (65, 1984312), (88, 1465685), (104, 1240195), (110, 1172548), (130, 992156), (143, 901960), (220, 586274), (260, 496078), (286, 450980), (440, 293137), (520, 248039), (572, 225490), (715, 180392), (1144, 112745), (1430, 90196), (2860, 45098), (5720, 22549)]