664753680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1427}}^1$

素因数の和:2093

約数の個数: 120

約数和(自身を含む): 2237481792

約数和(自身を除く): 1572728112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 647, 720, 1294, 1427, 1941, 2588, 2854, 3235, 3882, 4281, 5176, 5708, 5823, 6470, 7135, 7764, 8562, 9705, 10352, 11416, 11646, 12843, 12940, 14270, 15528, 17124, 19410, 21405, 22832, 23292, 25686, 25880, 28540, 29115, 31056, 34248, 38820, 42810, 46584, 51372, 51760, 57080, 58230, 64215, 68496, 77640, 85620, 93168, 102744, 114160, 116460, 128430, 155280, 171240, 205488, 232920, 256860, 342480, 465840, 513720, 923269, 1027440, 1846538, 2769807, 3693076, 4616345, 5539614, 7386152, 8309421, 9232690, 11079228, 13849035, 14772304, 16618842, 18465380, 22158456, 27698070, 33237684, 36930760, 41547105, 44316912, 55396140, 66475368, 73861520, 83094210, 110792280, 132950736, 166188420, 221584560, 332376840, 664753680]

約数ペア:

[(1, 664753680), (2, 332376840), (3, 221584560), (4, 166188420), (5, 132950736), (6, 110792280), (8, 83094210), (9, 73861520), (10, 66475368), (12, 55396140), (15, 44316912), (16, 41547105), (18, 36930760), (20, 33237684), (24, 27698070), (30, 22158456), (36, 18465380), (40, 16618842), (45, 14772304), (48, 13849035), (60, 11079228), (72, 9232690), (80, 8309421), (90, 7386152), (120, 5539614), (144, 4616345), (180, 3693076), (240, 2769807), (360, 1846538), (647, 1027440), (720, 923269), (1294, 513720), (1427, 465840), (1941, 342480), (2588, 256860), (2854, 232920), (3235, 205488), (3882, 171240), (4281, 155280), (5176, 128430), (5708, 116460), (5823, 114160), (6470, 102744), (7135, 93168), (7764, 85620), (8562, 77640), (9705, 68496), (10352, 64215), (11416, 58230), (11646, 57080), (12843, 51760), (12940, 51372), (14270, 46584), (15528, 42810), (17124, 38820), (19410, 34248), (21405, 31056), (22832, 29115), (23292, 28540), (25686, 25880)]