28273320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 128

約数和(自身を含む): 96422400

約数和(自身を除く): 68149080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 557, 564, 705, 846, 940, 1080, 1114, 1128, 1269, 1410, 1671, 1692, 1880, 2115, 2228, 2538, 2785, 2820, 3342, 3384, 4230, 4456, 5013, 5076, 5570, 5640, 6345, 6684, 8355, 8460, 10026, 10152, 11140, 12690, 13368, 15039, 16710, 16920, 20052, 22280, 25065, 25380, 26179, 30078, 33420, 40104, 50130, 50760, 52358, 60156, 66840, 75195, 78537, 100260, 104716, 120312, 130895, 150390, 157074, 200520, 209432, 235611, 261790, 300780, 314148, 392685, 471222, 523580, 601560, 628296, 706833, 785370, 942444, 1047160, 1178055, 1413666, 1570740, 1884888, 2356110, 2827332, 3141480, 3534165, 4712220, 5654664, 7068330, 9424440, 14136660, 28273320]

約数ペア:

[(1, 28273320), (2, 14136660), (3, 9424440), (4, 7068330), (5, 5654664), (6, 4712220), (8, 3534165), (9, 3141480), (10, 2827332), (12, 2356110), (15, 1884888), (18, 1570740), (20, 1413666), (24, 1178055), (27, 1047160), (30, 942444), (36, 785370), (40, 706833), (45, 628296), (47, 601560), (54, 523580), (60, 471222), (72, 392685), (90, 314148), (94, 300780), (108, 261790), (120, 235611), (135, 209432), (141, 200520), (180, 157074), (188, 150390), (216, 130895), (235, 120312), (270, 104716), (282, 100260), (360, 78537), (376, 75195), (423, 66840), (470, 60156), (540, 52358), (557, 50760), (564, 50130), (705, 40104), (846, 33420), (940, 30078), (1080, 26179), (1114, 25380), (1128, 25065), (1269, 22280), (1410, 20052), (1671, 16920), (1692, 16710), (1880, 15039), (2115, 13368), (2228, 12690), (2538, 11140), (2785, 10152), (2820, 10026), (3342, 8460), (3384, 8355), (4230, 6684), (4456, 6345), (5013, 5640), (5076, 5570)]