140860280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 232387720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 230, 248, 253, 310, 341, 440, 449, 460, 506, 620, 682, 713, 898, 920, 1012, 1240, 1265, 1364, 1426, 1705, 1796, 2024, 2245, 2530, 2728, 2852, 3410, 3565, 3592, 4490, 4939, 5060, 5704, 6820, 7130, 7843, 8980, 9878, 10120, 10327, 13640, 13919, 14260, 15686, 17960, 19756, 20654, 24695, 27838, 28520, 31372, 39215, 39512, 41308, 49390, 51635, 55676, 62744, 69595, 78430, 82616, 98780, 103270, 111352, 113597, 139190, 153109, 156860, 197560, 206540, 227194, 278380, 306218, 313720, 320137, 413080, 454388, 556760, 567985, 612436, 640274, 765545, 908776, 1135970, 1224872, 1280548, 1531090, 1600685, 2271940, 2561096, 3062180, 3201370, 3521507, 4543880, 6124360, 6402740, 7043014, 12805480, 14086028, 17607535, 28172056, 35215070, 70430140, 140860280]

約数ペア:

[(1, 140860280), (2, 70430140), (4, 35215070), (5, 28172056), (8, 17607535), (10, 14086028), (11, 12805480), (20, 7043014), (22, 6402740), (23, 6124360), (31, 4543880), (40, 3521507), (44, 3201370), (46, 3062180), (55, 2561096), (62, 2271940), (88, 1600685), (92, 1531090), (110, 1280548), (115, 1224872), (124, 1135970), (155, 908776), (184, 765545), (220, 640274), (230, 612436), (248, 567985), (253, 556760), (310, 454388), (341, 413080), (440, 320137), (449, 313720), (460, 306218), (506, 278380), (620, 227194), (682, 206540), (713, 197560), (898, 156860), (920, 153109), (1012, 139190), (1240, 113597), (1265, 111352), (1364, 103270), (1426, 98780), (1705, 82616), (1796, 78430), (2024, 69595), (2245, 62744), (2530, 55676), (2728, 51635), (2852, 49390), (3410, 41308), (3565, 39512), (3592, 39215), (4490, 31372), (4939, 28520), (5060, 27838), (5704, 24695), (6820, 20654), (7130, 19756), (7843, 17960), (8980, 15686), (9878, 14260), (10120, 13919), (10327, 13640)]