204489480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2789}}^1$

素因数の和:2863

約数の個数: 128

約数和(自身を含む): 674956800

約数和(自身を除く): 470467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1410, 1560, 1833, 1880, 2444, 2789, 2820, 3055, 3666, 4888, 5578, 5640, 6110, 7332, 8367, 9165, 11156, 12220, 13945, 14664, 16734, 18330, 22312, 24440, 27890, 33468, 36257, 36660, 41835, 55780, 66936, 72514, 73320, 83670, 108771, 111560, 131083, 145028, 167340, 181285, 217542, 262166, 290056, 334680, 362570, 393249, 435084, 524332, 543855, 655415, 725140, 786498, 870168, 1048664, 1087710, 1310830, 1450280, 1572996, 1704079, 1966245, 2175420, 2621660, 3145992, 3408158, 3932490, 4350840, 5112237, 5243320, 6816316, 7864980, 8520395, 10224474, 13632632, 15729960, 17040790, 20448948, 25561185, 34081580, 40897896, 51122370, 68163160, 102244740, 204489480]

約数ペア:

[(1, 204489480), (2, 102244740), (3, 68163160), (4, 51122370), (5, 40897896), (6, 34081580), (8, 25561185), (10, 20448948), (12, 17040790), (13, 15729960), (15, 13632632), (20, 10224474), (24, 8520395), (26, 7864980), (30, 6816316), (39, 5243320), (40, 5112237), (47, 4350840), (52, 3932490), (60, 3408158), (65, 3145992), (78, 2621660), (94, 2175420), (104, 1966245), (120, 1704079), (130, 1572996), (141, 1450280), (156, 1310830), (188, 1087710), (195, 1048664), (235, 870168), (260, 786498), (282, 725140), (312, 655415), (376, 543855), (390, 524332), (470, 435084), (520, 393249), (564, 362570), (611, 334680), (705, 290056), (780, 262166), (940, 217542), (1128, 181285), (1222, 167340), (1410, 145028), (1560, 131083), (1833, 111560), (1880, 108771), (2444, 83670), (2789, 73320), (2820, 72514), (3055, 66936), (3666, 55780), (4888, 41835), (5578, 36660), (5640, 36257), (6110, 33468), (7332, 27890), (8367, 24440), (9165, 22312), (11156, 18330), (12220, 16734), (13945, 14664)]